Nine Months Ended Three Months Ended September 30 September 30 1996 1995 1996 1995 Primary Average number of common shares outstanding 18,063,133 17,968,132 18,075,159 17,979,962 Dilutive stock options outstanding 40,108 68,636 41,914 74,681 Average number of common and common equivalent shares 18,103,242 18,036,768 18,117,073 18,054,643 Net earnings appli- cable to common stock and common stock equivalents $13,371,000 $11,909,000 $3,443,000 $1,435,000 Primary earnings per share $0.74 $0.66 $0.19 $0.08