Year	% of tax revenue
2002	15.771791369489478
2003	15.672509293748355
2004	15.721558335886304
2005	17.28678724211265
2006	17.522562804848555
2007	17.31993481016481
2008	18.31310284114377
2009	18.0001586038513
2010	17.01920661175431
2011	16.01833722906011
2012	16.574500043781953
2013	16.9017035895266
2014	15.196512569368739
2015	15.283214054981098
2016	14.702873616665116
2017	15.663721917107368
2018	14.560715372399885
2019	13.01742148834551
2020	13.252029069375329
2021	12.06302909885692
2022	13.804020831901298