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Dividends and Basic Earnings Per Share
12 Months Ended
Dec. 31, 2012
Dividends and Basic Earnings Per Share [Abstract]  
Dividends and Basic Earnings Per Share
15. Dividends and Basic Earnings Per Common Share

Total cash dividends during 2012 were $9,418,000 or $12.10 per share of common stock, an increase of 2.8% per share from $9,158,000 or $11.75 per share in 2011. In 2010, cash dividends totaled $8,855,000 or $11.35 per share.

Basic earnings per common share amounts are computed by dividing net income by the weighted average number of common shares outstanding for the period. The following table calculates the basic earnings per common share for the periods indicated.

(net income in thousands)
 
2012
 
 
2011
 
 
2010
 
Net Income
 
$
23,349
 
 
$
22,209
 
 
$
21,118
 
Average Number of Common Shares Outstanding
 
 
778,648
 
 
 
779,424
 
 
 
780,619
 
Basic Earnings Per Common Share
 
$
29.99
 
 
$
28.49
 
 
$
27.05