pre_text: Stock option and stock appreciation right (SAR) activity under the Company's stock incentive plans in the three years ended March 31, 2019 is set forth below: The total intrinsic value of options and SARs exercised during the years ended March 31, 2019, 2018 and 2017 was $8.3 million, $7.4 million and $9.6 million, respectively. This intrinsic value represents the difference between the fair market value of the Company's common stock on the date of exercise and the exercise price of each equity award. The aggregate intrinsic value of options and SARs outstanding at March 31, 2019 was $14.9 million. The aggregate intrinsic value of options and SARS exercisable at March 31, 2019 was $14.8 million. The aggregate intrinsic values were calculated based on the closing price of the Company's common stock of $82.96 per share on March 29, 2019. As of March 31, 2019 and March 31, 2018, the number of option and SAR shares exercisable was 278,591 and 224,022, respectively, and the weighted average exercise price per share was $30.03 and $29.96, respectively. There were no stock options granted in the years ended March 31, 2019, 2018 and 2017
table: Number of Shares Weighted Average Exercise Price per Share
table: Outstanding at March 31, 2016 913,508 $33.00
table: Exercised (437,906) 34.34
table: Forfeited or expired (42,485) 34.26
table: Outstanding at March 31, 2017 433,117 31.51
table: Exercised (131,666) 31.75
table: Forfeited or expired (17,111) 34.73
table: Outstanding at March 31, 2018 284,340 31.21
table: Assumed upon acquisition 141,751 25.86
table: Exercised (140,118) 27.67
table: Forfeited or expired (4,091) 39.62
table: Outstanding at March 31, 2019 281,882 $30.16
question: Analyse this data from a financial earnings document. What was the change in the Weighted Average Exercise Price per Share for outstanding shares between 2017 and 2018?