pre_text: Stock Options The following table summarizes stock option activity under the Company’s stock option plans during the fiscal years ended September 30, 2019, 2018, and 2017: The Company recognized $0.7 million, $1.4 million, and $1.0 million in stock-based compensation expense related to outstanding stock options in the fiscal years ended September 30, 2019, 2018, and 2017, respectively. As of September 30, 2019, the Company had $2.0 million of unrecognized compensation expense related to outstanding stock options expected to be recognized over a weighted-average period of approximately three years. Aggregate intrinsic value represents the value of the Company’s closing stock price on the last trading day of the fiscal period in excess of the weighted-average exercise price, multiplied by the number of options outstanding and exercisable. The total intrinsic value of options exercised during the fiscal years ended September 30, 2019, 2018, and 2017 was $11.1 million, $1.4 million, and $1.4 million, respectively. The per-share weighted-average fair value of options granted during the fiscal years ended September 30, 2019, 2018, and 2017 was $5.07, $4.56, and $4.28, respectively. The aggregate intrinsic value of options outstanding as of September 30, 2019 and 2018, was $4.9 million and $8.7 million, respectively.
table: Number of Shares Weighted-Average Exercise Price Per Share Weighted-Average Remaining Contractual Term (in Years)
table: Outstanding at September 30, 2016 3,015,374 $3.95 6.4
table: Granted 147,800 $7.06
table: Exercised (235,514) $2.92
table: Canceled (81,794) $3.59
table: Outstanding at September 30, 2017 2,845,866 $4.21 5.4
table: Granted 299,397 $8.60
table: Exercised (250,823) $2.96
table: Canceled (88,076) $5.23
table: Outstanding at September 30, 2018 2,806,364 $4.75 4.6
table: Granted 409,368 $9.59
table: Exercised (1,384,647) $3.25
table: Canceled (144,183) $6.62
table: Outstanding at September 30, 2019 1,686,902 7.00 5.4
question: Analyse this data from a financial earnings document. What is the proportion of granted shares between 2017 and 2018 over outstanding shares at September 30, 2017?