Year	% of tax revenue
2005	14.823529411764705
2006	14.533687774929586
2007	11.89185917714902
2008	12.211941559179678
2009	10.571086804787837
2010	13.321728828390524
2011	12.857321949553535
2012	11.79294552840978
2013	10.986269067857531
2014	10.18156339465332
2015	9.2025029569386
2016	8.408972565216322
2017	10.120126713414864
2018	10.851182499389814
2019	10.233543508885552
2020	8.759532110700146
2021	9.139514509363515
2022	9.503653642721805