pre_text: 2 Alternative performance measures continued Cash generation Cash generation is one of the Group’s key performance indicators used by the Board to monitor the performance of the Group and measure the successful implementation of our strategy. It is one of three financial measures on which Executive Directors’ variable remuneration is based. Cash generation is adjusted operating profit after adding back depreciation and amortisation (excluding IFRS 16 depreciation), less cash payments to pension schemes in excess of the charge to operating profit, equity settled share plans and working capital changes.
table: 2019 2018
table: £m £m
table: Adjusted operating profit 282.7 264.9
table: Depreciation and amortisation (excluding IFRS16 depreciation) 34.3 32.9
table: Cash payments to pension schemes in excess of charge to P&L (5.2) (4.6)
table: Equity settled share plans 6.2 5.7
table: Working capital changes (21.4) (22.5)
table: Cash generation 296.6 276.4
question: Analyse this data from a financial earnings document. What was the change in equity settled share plans in 2019 from 2018?