05001,0001,5002,0002,500050100150200250Qtr1*Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr2Qtr3Qtr4Qtr1Qtr22019-202020-212021-222022-232023-24Tax value (£k)Number of transactionsUnclear risk - Tax at risk (£k)Probable risk - Tax at risk (£k)Unclear risk - Transaction numbersProbable risk - Transaction numbers(*) large outlier replaced with mean value of tax at risk