What is the value of the stock options granted as a percentage of the total stock options outstanding as at December 31, 2019?
{"Stock options outstanding - December 31, 2018": {"Number of Shares": "-", "Weighted-Average Exercise Price": "- -", "Weighted Average Remaining Contractual Life (in years)": "", "Aggregated Intrinsic Value (in thousands)": ""}, "Granted": {"Number of Shares": 5835724, "Weighted-Average Exercise Price": 0.56, "Weighted Average Remaining Contractual Life (in years)": "", "Aggregated Intrinsic Value (in thousands)": ""}, "Forfeited or expired": {"Number of Shares": -20000, "Weighted-Average Exercise Price": 0.55, "Weighted Average Remaining Contractual Life (in years)": "", "Aggregated Intrinsic Value (in thousands)": ""}, "Stock options outstanding - December 31, 2019": {"Number of Shares": 5815724.0, "Weighted-Average Exercise Price": 0.56, "Weighted Average Remaining Contractual Life (in years)": 9.6, "Aggregated Intrinsic Value (in thousands)": 2725.0}, "Stock options exercisable - December 31, 2019": {"Number of Shares": 137500.0, "Weighted-Average Exercise Price": 0.55, "Weighted Average Remaining Contractual Life (in years)": 9.6, "Aggregated Intrinsic Value (in thousands)": 66.0}}
granted_number_of_shares = df["Granted"]["Number of Shares"]
stock_options_outstanding_december_31_2019_number_of_shares = df["Stock options outstanding - December 31, 2019"]["Number of Shares"]
answer = granted_number_of_shares / stock_options_outstanding_december_31_2019_number_of_shares * 100.0