Year	% of tax revenue
1999	0.008851280780328914
2000	0.023352307082838142
2001	0.03004697885748393
2002	0.026272070748405114
2003	0.9976246141631834
2004	1.5095158268354147
2005	0.6885813240340679
2006	0.27947538566360647
2007	0.24526637578108165
2008	0.11657534425504955
2009	0.2559340657135959
2010	0.17541375153368027
2011	0.5447995758266034
2012	0.07804514025193655
2013	0.030261508272155263
2014	0.08019775067353722
2015	0.10322500690953476
2016	0.07895348300823661
2017	0.10764350878695551
2018	0.07198079805537501
2019	0.03020425859089144
2020	0.031821331571225554
2021	0.1271260664101264
2022	0.33559099956991933