What is the value of Level 1 cash equivalents as a percentage of the total cash equivalents?
{"Cash equivalents": {"Level 1": 10155, "Level 2": 10000, "Level 3": "-", "Total": 20155}, "Marketable securities: -- Municipal bonds": {"Level 1": "$\u2014", "Level 2": 44705, "Level 3": "\u2014", "Total": 44705}, "Marketable securities: -- Corporate bonds": {"Level 1": "\u2014", "Level 2": 48296, "Level 3": "\u2014", "Total": 48296}, "Marketable securities: -- Total marketable securities": {"Level 1": "$\u2014", "Level 2": 93001, "Level 3": "\u2014", "Total": 93001}, "Marketable securities: -- Investments in privately-held companies (1)": {"Level 1": "$\u2014", "Level 2": "\u2014", "Level 3": 3390, "Total": 3390}}
cash_equivalents_level_1 = df["Cash equivalents"]["Level 1"]
cash_equivalents_total = df["Cash equivalents"]["Total"]
answer = cash_equivalents_level_1 / cash_equivalents_total * 100.0