Table 23: NDR Account 2017-18 2018-19 2019-20 2020-21 2021-22 Contributable 2,810 2,812 2,867 2,939 3,117 Amount (£m) Distributable 2,666 2,636 2,867 2,939 3,117 Amount (£m) Prior Year -23 -34 Adjustments (£m) Yearly 155 142 Balance (£m) Cumulative -142 0 Balance (£m) 187.