Year	% of tax revenue
2009	8.288273967567191
2010	8.288273967567191
2011	8.486843075973184
2012	7.66568699591901
2013	7.471758633824691
2014	7.676593367519878
2015	7.915710556180623
2016	9.653912551434386
2017	9.744978856047661
2018	7.464948839764777
2020	17.057962345012733
2021	17.81129900572487
2022	18.519439828019223
2023	19.0743937628714