Year	% of tax revenue
2014	18.299287221757655
2015	12.512201124300768
2016	16.51629668715365
2017	17.615209717516123
2018	17.237314712991143
2019	20.450951526685753
2020	18.777110276528845
2021	17.10482201451245
2022	8.147891175628667