Weighted-average common shares outstanding

9,950,342

9,927,946

9,946,146

9,924,597

Average treasury stock shares

(1,879,310

)

(1,835,452

)

(1,869,706

)

(1,818,080

)

Weighted-average common shares and common stock equivalents used to calculate basic earnings per share

8,071,032

8,092,494

8,076,440

8,106,517

Additional common stock equivalents (stock options and restricted stock) used to calculate diluted earnings per share

15,840

8,812

15,840

8,812

Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share

8,086,872

8,101,306

8,092,280

8,115,329