Year	% of tax revenue
2008	24.05476797512752
2009	22.995345191484688
2010	22.585825592682138
2011	19.557807347133203
2012	22.653155966466855
2013	21.463503206588666
2014	23.48202252646497
2015	24.991234936900803
2016	26.079173611089434
2017	24.72210673350301
2018	24.670642462947434
2019	24.88937646580202
2020	32.31827111984283