Year	% of tax revenue
1990	17.97179993570018
1991	21.343607031061886
1992	24.942319368548876
1993	31.545670597731046
1994	32.11220907554284
1995	29.20689143026883
1996	28.806022626212485
1997	26.71706337044982
1998	26.06607696877682
1999	26.29371962260555
2001	49.24026419316419
2002	50.338573226385506
2003	53.84889047004936
2004	62.20161347559677
2005	61.75483953677193
2006	59.92628275308371
2007	57.26377051359696
2008	46.083420709408486
2009	38.74634139761983
2010	51.85519097927672
2011	45.1992951260271
2012	47.881904410439056
2013	45.822443769184105
2014	16.435863231528884
2015	16.244553679373404
2016	17.050477653773846
2017	16.312401742157594
2018	21.24847731055528
2019	13.94770049160044
2020	16.24899653940899
2021	24.901573443652676
2022	24.245260682206283