010020030040050001020304050Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr42019-202020-212021-222022-232023-24Tax value (£k)Number of casesValue of tax protected for prevention cases (£k)Value of tax protected for full cases (£k)Full and prevention cases successfulFull cases successful