Year	% of tax revenue
1990	26.91149909692956
1991	42.392863546709705
1992	29.951946571102784
2000	38.5393524052915
2001	32.77895004915928
2002	28.225109617827183
2003	35.11790009604249
2004	40.59449364719519
2005	32.724388659265216
2006	42.54726696491008
2007	42.47542070914758
2008	40.30283006078027
2009	38.76188630209207
2010	27.920767219424825
2011	26.418137960493443
2012	39.200282633176705
2013	38.026605729501405
2014	38.80034117899282
2015	35.56071487740673
2016	30.14315132936003
2017	36.49848030201089
2018	33.214917019497655
2019	34.37723840170878
2020	40.08488226204589
2021	28.683066762598823
2022	25.41631073266571