Year	% of tax revenue
1990	24.65416522729968
1991	37.38648078150312
1992	40.986904224311346
1993	34.46701570680628
1994	31.254939843681388
1995	37.722290444353476
1996	37.23152340991234
2006	41.5258496136692
2007	45.374891989501265
2008	37.89007174548077
2009	39.56611580555331
2010	30.26941324271284
2011	33.90589896345739
2012	47.718228127509086
2013	41.08681551846619
2014	41.70761012638579
2015	43.869306000453136
2016	33.11422445608238
2017	44.790385072137354
2018	39.15542898416575
2019	36.8202243401945
2020	43.11313610589626
2021	30.61303403268245
2022	28.03320916208094
