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Note 29 Treasury Stock (Details)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Bottom of range [member]      
Treasury stock [Line Items]      
Percentage treasury stock 0.108% 0.008% 0.138%
Top of range [member]      
Treasury stock [Line Items]      
Percentage treasury stock 1.922% 0.464% 0.746%
Closing range [Member]      
Treasury stock [Line Items]      
Percentage treasury stock 1.914% 0.215% 0.213%