Year	% of tax revenue
2010	7.499145975291749
2011	7.857447482596667
2012	7.727489069422881
2013	7.801250214753908
2016	8.288176571597333
2017	6.4514364223198655
2018	7.775006815104925
2019	5.9395310558895735
2020	7.1077283427373645
2021	7.460885443434758
2022	6.737728957384949