Year	% of tax revenue
1990	27.435218769401693
1991	27.314875948178468
1992	27.266774062577763
1993	23.621009693608634
1994	22.7305189253347
1995	20.553723121567703
1996	19.553312903696536
1997	18.762630515325025
1998	19.10455458444167
1999	16.695978991495412
2000	13.1420237729725
2001	12.7070185922007
2002	12.763204169785288
2003	14.756872496201131
2004	14.596237995112805
2005	13.475680538195938
2006	12.293086262398484
2007	11.000556050040574
2008	10.901931453960838
2009	12.854380037903942
2010	8.853164550044324
2011	9.349344274197618
2012	23.83863766639418
2013	19.06918251498673
2014	18.89662002591909
2015	18.015372126871597
2016	24.704440494764864
2017	22.054890579248564
2018	19.804639337391894
2019	19.083352699443434
2020	29.561587256443268
2021	27.009985064377723
2022	19.530299730031203