What was the change in accruals in 2019 from 2018?
{"": {"2019": "\u00a3m", "2018": "\u00a3m"}, "Trade payables": {"2019": 57.9, "2018": 57.4}, "Contract liabilities": {"2019": 8.7, "2018": 8.9}, "Social security": {"2019": 5.6, "2018": 5.1}, "Other payables": {"2019": 37.8, "2018": 37.6}, "Accruals": {"2019": 64.8, "2018": 58.0}, "Total trade and other payables": {"2019": 174.8, "2018": 167.0}}
accruals_2019 = df["Accruals"]["2019"]
accruals_2018 = df["Accruals"]["2018"]
answer = accruals_2019 - accruals_2018