Weighted-average common shares outstanding

9,946,454

9,924,245

9,944,025

9,922,895

Average treasury stock shares

(1,879,310

)

(1,835,452

)

(1,864,851

)

(1,809,250

)

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

8,067,144

8,088,793

8,079,174

8,113,645

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

5,355

13,191

5,355

13,191

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

8,072,499

8,101,984

8,084,529

8,126,836