Year	% of tax revenue
2006	2.003133634408012
2007	1.366362936453548
2008	0.8923462971622081
2009	1.0383599125057004
2010	1.999585222828421
2011	1.9655761215840843
2012	1.4840318771164303
2013	3.401235868473206
2014	3.6650024207250103
2015	1.5041753635619615
2016	3.7277986662097655
2017	2.9005795272447155
2018	2.9001935466668347
2019	2.4925730470606955
2020	2.181397615046276
2021	2.7016275049379064
2022	3.985937406061867