What is the change in future minimum commitments of Operating Leases from 2020 to 2021?
{"2020": {"Operating Leases": 92404, "Finance Lease": 4172}, "2021": {"Operating Leases": 91164, "Finance Lease": 4161}, "2022": {"Operating Leases": 107654, "Finance Lease": 4161}, "2023": {"Operating Leases": 43015, "Finance Lease": 4161}, "2024": {"Operating Leases": 9168, "Finance Lease": 4172}, "Thereafter": {"Operating Leases": 4534, "Finance Lease": 17180}, "Net minimum lease payments": {"Operating Leases": 347939, "Finance Lease": 38007}, "Less: present value discount": {"Operating Leases": 40891, "Finance Lease": 10448}, "Total lease liabilities": {"Operating Leases": 307048, "Finance Lease": 27559}}
future_minimum_commitments_2021 = df["2021"]["Operating Leases"]
future_minimum_commitments_2020 = df["2020"]["Operating Leases"]
answer = future_minimum_commitments_2021 - future_minimum_commitments_2020