Year	% of tax revenue
1995	20.9367852288925
1996	27.021567431390547
1997	29.14203697815852
1998	23.47737196907557
2002	13.302080552044803
2003	11.886883631662204
2004	10.467568555074438
2011	4.124213524626829
2012	4.780775737681899
2013	4.44612255944604
2014	3.5151686882408018
2015	3.5379690132218506
2016	2.3692028074018374
2017	2.2164591086491834
2018	2.048095694068675
2019	2.1115112532735276
2020	2.230724784956471
2021	2.2076770691427403