v3.22.4
Note 8 - Dividends and Dividend Equivalents (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Dividends Declared [Table Text Block]
  

Year Ended December 31,

 
  

2022

  

2021

  

2020

 

Dividend declared per share

 $3.00  $2.40  $2.00 

Total amount

 $140,337  $110,206  $89,832