Year	% of tax revenue
2008	11.701808954166912
2009	11.460062617170488
2010	10.849900764931553
2011	10.44394592616492
2012	9.432601118586366
2013	9.343137688222445
2014	9.047775733128598
2015	8.566002493019168
2016	10.313451571897614
2017	5.6341184182003
2018	5.92943566713549
2019	5.248628370629726
2020	6.628129338979356
2021	6.229372284376512
2022	8.290075921030656