Three months ended
March 31,

(In thousands)

2013

2012

Net income

$

8,477

$

3,931

Average number of common shares outstanding

16,002

15,979

Effect of dilutive stock options

89

64

Average number of common shares outstanding used to calculate diluted earnings per share

16,091

16,043

Options excluded from diluted earnings per share because the effect of these options was antidilutive

856

869