Year	% of total taxes
1972	8.176100628930817
1973	10.985915492957748
1974	12.609457092819614
1975	11.053719008264464
1976	10.26595744680851
1977	12.244224422442244
1978	11.816838995568684
1979	12.518445646827347
1980	15.289199561403507
1981	10.655778768598767
1982	8.939300353753719
1983	12.589548299524921
1984	9.572063086784222
1985	11.285315729498212
1986	12.116461666264705
1987	11.575332395927184
1988	12.636050619326566
1989	10.895391118287193
1990	9.931895573212259
1991	8.875427969449566
1992	10.661107802263253
1993	11.174110258199581
1994	10.782619061810813
1995	15.527079303675048
1996	21.112168305317685
1997	18.837221549318027
1998	19.69344585465258
1999	23.9344420110226
2000	25.113322822230984
2001	12.466280924106272
2002	11.36378723374092
2003	9.249317238246455
2004	13.765137102630417
2005	15.735342052517561
2006	16.122530090518637
2007	18.468354602599057
2008	29.024690363760115
2009	27.911747077886
2010	28.57152970138625
2011	27.27958771221653
2012	28.074842564568307
2013	30.483973717962755
2014	29.221262767885165
2015	30.799766504533533
2016	47.21925267100369
2017	36.691038374831706
2018	37.59268561040949
2019	37.61877419837852
2020	37.37877303616467