For 2019. what is the Cost of License Revenues expressed as a percentage of GAAP-based License Gross Profit? 
{"License Revenues: -- Americas": {"2019": 215871.0, "Change increase (decrease))": 8216.0, "2018": 207655.0, "Change increase (decrease)": 29257.0, "2017": 178398.0}, "License Revenues: -- EMEA": {"2019": 163622.0, "Change increase (decrease))": -7009.0, "2018": 170631.0, "Change increase (decrease)": 23788.0, "2017": 146843.0}, "License Revenues: -- Asia Pacific": {"2019": 48599.0, "Change increase (decrease))": -10627.0, "2018": 59226.0, "Change increase (decrease)": 15323.0, "2017": 43903.0}, "License Revenues: -- Total License Revenues": {"2019": 428092.0, "Change increase (decrease))": -9420.0, "2018": 437512.0, "Change increase (decrease)": 68368.0, "2017": 369144.0}, "License Revenues: -- Cost of License Revenues": {"2019": 14347.0, "Change increase (decrease))": 654.0, "2018": 13693.0, "Change increase (decrease)": 61.0, "2017": 13632.0}, "License Revenues: -- GAAP-based License Gross Profit": {"2019": 413745.0, "Change increase (decrease))": -10074.0, "2018": 423819.0, "Change increase (decrease)": 68307.0, "2017": 355512.0}, "License Revenues: -- GAAP-based License Gross Margin %": {"2019": 96.6, "Change increase (decrease))": "", "2018": 96.9, "Change increase (decrease)": "", "2017": 96.3}, "% License Revenues by Geography: -- Americas": {"2019": 50.4, "Change increase (decrease))": "", "2018": 47.5, "Change increase (decrease)": "", "2017": 48.3}, "% License Revenues by Geography: -- EMEA": {"2019": 38.2, "Change increase (decrease))": "", "2018": 39.0, "Change increase (decrease)": "", "2017": 39.8}, "% License Revenues by Geography: -- Asia Pacific": {"2019": 11.4, "Change increase (decrease))": "", "2018": 13.5, "Change increase (decrease)": "", "2017": 11.9}}
cost_of_license_revenues_2019 = df["License Revenues: -- Cost of License Revenues"]["2019"]
gaap_based_license_gross_profit_2019 = df["License Revenues: -- GAAP-based License Gross Profit"]["2019"]
answer = cost_of_license_revenues_2019 / gaap_based_license_gross_profit_2019 * 100.0