v3.25.2
Shareholder Report, Holdings (Details)
Jul. 31, 2025
Kansas Municipal Fund | Class A [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.36% [1]
Kansas Municipal Fund | Class A [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 74.75% [1]
Kansas Municipal Fund | Class A [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.17% [1]
Kansas Municipal Fund | Class A [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.07% [1]
Kansas Municipal Fund | Class A [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.65% [1]
Kansas Municipal Fund | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.90% [2]
Kansas Municipal Fund | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20% [2]
Kansas Municipal Fund | Class A [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10% [2]
Kansas Municipal Fund | Class A [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00% [2]
Kansas Municipal Fund | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70% [2]
Kansas Municipal Fund | Class A [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40% [2]
Kansas Municipal Fund | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [2]
Kansas Municipal Fund | Class A [Member] | Pre-Refunded [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [2]
Kansas Municipal Fund | Class A [Member] | Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [2]
Kansas Municipal Fund | Class I [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.36% [3]
Kansas Municipal Fund | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 74.75%
Kansas Municipal Fund | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.17%
Kansas Municipal Fund | Class I [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.07%
Kansas Municipal Fund | Class I [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.65% [3]
Kansas Municipal Fund | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.90% [4]
Kansas Municipal Fund | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Kansas Municipal Fund | Class I [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Kansas Municipal Fund | Class I [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Kansas Municipal Fund | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70% [4]
Kansas Municipal Fund | Class I [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Kansas Municipal Fund | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [4]
Kansas Municipal Fund | Class I [Member] | Pre-Refunded [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [4]
Kansas Municipal Fund | Class I [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Maine Municipal Fund | Class A [Member] | AAA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.67% [5]
Maine Municipal Fund | Class A [Member] | AA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 84.27% [5]
Maine Municipal Fund | Class A [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.06% [5]
Maine Municipal Fund | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.60% [6]
Maine Municipal Fund | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50% [6]
Maine Municipal Fund | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.00% [6]
Maine Municipal Fund | Class A [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30% [6]
Maine Municipal Fund | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40% [6]
Maine Municipal Fund | Class A [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [6]
Maine Municipal Fund | Class I [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.67% [7]
Maine Municipal Fund | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 84.27% [7]
Maine Municipal Fund | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.06% [7]
Maine Municipal Fund | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.60% [8]
Maine Municipal Fund | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50% [8]
Maine Municipal Fund | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.00% [8]
Maine Municipal Fund | Class I [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30% [8]
Maine Municipal Fund | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40% [8]
Maine Municipal Fund | Class I [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [8]
Nebraska Municipal Fund | Class A [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.09% [9]
Nebraska Municipal Fund | Class A [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.55% [9]
Nebraska Municipal Fund | Class A [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.09% [9]
Nebraska Municipal Fund | Class A [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.27% [9]
Nebraska Municipal Fund | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.00% [10]
Nebraska Municipal Fund | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10% [10]
Nebraska Municipal Fund | Class A [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50% [10]
Nebraska Municipal Fund | Class A [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00% [10]
Nebraska Municipal Fund | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80% [10]
Nebraska Municipal Fund | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [10]
Nebraska Municipal Fund | Class I [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.09% [11]
Nebraska Municipal Fund | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.55% [11]
Nebraska Municipal Fund | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.09% [11]
Nebraska Municipal Fund | Class I [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.27% [11]
Nebraska Municipal Fund | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.00% [12]
Nebraska Municipal Fund | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10% [12]
Nebraska Municipal Fund | Class I [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50% [12]
Nebraska Municipal Fund | Class I [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00% [12]
Nebraska Municipal Fund | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80% [12]
Nebraska Municipal Fund | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [12]
Oklahoma Municipal Fund | Class A [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.78% [13]
Oklahoma Municipal Fund | Class A [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.16% [13]
Oklahoma Municipal Fund | Class A [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.75% [13]
Oklahoma Municipal Fund | Class A [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.30% [13]
Oklahoma Municipal Fund | Class A [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.01%
Oklahoma Municipal Fund | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [14]
Oklahoma Municipal Fund | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 68.50% [14]
Oklahoma Municipal Fund | Class A [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [14]
Oklahoma Municipal Fund | Class A [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [14]
Oklahoma Municipal Fund | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60% [14]
Oklahoma Municipal Fund | Class A [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [14]
Oklahoma Municipal Fund | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [14]
Oklahoma Municipal Fund | Class A [Member] | Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00% [14]
Oklahoma Municipal Fund | Class I [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.78% [15]
Oklahoma Municipal Fund | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.16% [15]
Oklahoma Municipal Fund | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.75% [15]
Oklahoma Municipal Fund | Class I [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.30% [15]
Oklahoma Municipal Fund | Class I [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.01% [15]
Oklahoma Municipal Fund | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [16]
Oklahoma Municipal Fund | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 68.50% [16]
Oklahoma Municipal Fund | Class I [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [16]
Oklahoma Municipal Fund | Class I [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [16]
Oklahoma Municipal Fund | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60% [16]
Oklahoma Municipal Fund | Class I [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [16]
Oklahoma Municipal Fund | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [16]
Oklahoma Municipal Fund | Class I [Member] | Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00% [16]
Viking Tax-Free Fund for Montana | Class A [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 72.57% [17]
Viking Tax-Free Fund for Montana | Class A [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.54% [17]
Viking Tax-Free Fund for Montana | Class A [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.62% [17]
Viking Tax-Free Fund for Montana | Class A [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.27% [17]
Viking Tax-Free Fund for Montana | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.10% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.60% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.30% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.50% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [18]
Viking Tax-Free Fund for Montana | Class A [Member] | Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [18]
Viking Tax-Free Fund for Montana | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 72.57% [19]
Viking Tax-Free Fund for Montana | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.54% [19]
Viking Tax-Free Fund for Montana | Class I [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.62% [19]
Viking Tax-Free Fund for Montana | Class I [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.27% [19]
Viking Tax-Free Fund for Montana | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.10% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.60% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.30% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.50% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [20]
Viking Tax-Free Fund for Montana | Class I [Member] | Transportation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [20]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.92% [21]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 52.02% [21]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.85% [21]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.91% [21]
Viking Tax-Free Fund for North Dakota | Class A [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30% [21]
Viking Tax-Free Fund for North Dakota | Class A [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.50% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.90% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50% [22]
Viking Tax-Free Fund for North Dakota | Class A [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90% [22]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.92% [23]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 52.02% [23]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.85% [23]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.91% [23]
Viking Tax-Free Fund for North Dakota | Class I [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30% [23]
Viking Tax-Free Fund for North Dakota | Class I [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.50% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Other Revenue [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.90% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50% [24]
Viking Tax-Free Fund for North Dakota | Class I [Member] | Cash Equivalents and Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90% [24]
[1] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[2] All portfolio holdings are issued securities from the state of Kansas.
[3] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[4] All portfolio holdings are issued securities from the state of Kansas.
[5] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[6] All portfolio holdings are issued securities from the state of Maine.
[7] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[8] All portfolio holdings are issued securities from the state of Maine.
[9] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[10] All portfolio holdings are issued securities from the state of Nebraska.
[11] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[12] All portfolio holdings are issued securities from the state of Nebraska.
[13] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change
[14] All portfolio holdings are issued securities from the state of Oklahoma.
[15] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[16] All portfolio holdings are issued securities from the state of Oklahoma.
[17] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[18] All portfolio holdings are issued securities from the state of Montana.
[19] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[20] All portfolio holdings are issued securities from the state of Montana.
[21] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[22] All portfolio holdings are issued securities from the state of North Dakota.
[23] The ratings agencies that provided the ratings are Standard & Poor’s and Moody’s. When ratings vary, the higher rating is used. Credit quality ratings are measured on a scale that generally ranges from AAA (highest) to D (lowest). “NR” is used to classify securities for which a rating is not available. Ratings apply to the holdings in the Fund portfolio and not to the Fund or its shares. Ratings are subject to change.
[24] All portfolio holdings are issued securities from the state of North Dakota.