What was the change in share repurchases between 2016 and 2017?
{"Fiscal year 2016": {"Dividends Paid(1)": 62436, "Share Repurchases(2)": 148185, "Total": 210621}, "Fiscal year 2017": {"Dividends Paid(1)": 59959, "Share Repurchases(2)": 306397, "Total": 366356}, "Fiscal year 2018": {"Dividends Paid(1)": 57833, "Share Repurchases(2)": 450000, "Total": 507833}, "Fiscal year 2019": {"Dividends Paid(1)": 52004, "Share Repurchases(2)": 350000, "Total": 402004}, "Total": {"Dividends Paid(1)": 232232, "Share Repurchases(2)": 1254582, "Total": 1486814}}
fiscal_year_2017_share_repurchases = df["Fiscal year 2017"]["Share Repurchases(2)"]
fiscal_year_2016_share_repurchases = df["Fiscal year 2016"]["Share Repurchases(2)"]
answer = fiscal_year_2017_share_repurchases - fiscal_year_2016_share_repurchases