What is the percentage of other non-audit assurance services in total fees in 2019?
{"": {"2019": 0, "2018": 0}, "Fees payable to the Companys auditor and its associates for: -- The audit of the Companys annual financial statements": {"2019": 559, "2018": 382}, "Fees payable to the Companys auditor and its associates for: -- The audit of the Companys subsidiaries": {"2019": 533, "2018": 441}, "Fees payable to the Companys auditor and its associates for: -- Fees related to the audit of the Company and its subsidiaries": {"2019": 1092, "2018": 823}, "Fees payable to the Companys auditor and its associates for: -- Audit-related assurance services1": {"2019": 64, "2018": 51}, "Fees payable to the Companys auditor and its associates for: -- Total fees for audit and audit-related services": {"2019": 1156, "2018": 874}, "Fees payable to the Companys auditor and its associates for: -- Other non-audit assurance services2": {"2019": 534, "2018": 230}, "Fees payable to the Companys auditor and its associates for: -- Total fees": {"2019": 1690, "2018": 1104}}
other_nonaudit_assurance_services_2019 = df["Fees payable to the Companys auditor and its associates for: -- Other non-audit assurance services2"]["2019"]
total_fees_2019 = df["Fees payable to the Companys auditor and its associates for: -- Total fees"]["2019"]
answer = other_nonaudit_assurance_services_2019 / total_fees_2019 * 100.0