Year	% of total taxes
1973	37.613019891500905
1974	32.11133740665309
1975	31.774193548387096
1976	5.838509316770186
1977	7.232805941233451
1978	7.320138234370091
1979	5.266075388026607
1980	4.904338453247103
1981	4.580690627202255
1982	5.1933941764450235
1983	5.780095610604085
1984	6.802868941534449
1985	7.983556901774123
1986	10.811428571428571
1987	10.976446375485937
1988	17.950963222416814
1989	16.506681724073026
1990	29.797175321227563
1991	18.797709923664122
1992	25.320385258298177
1993	27.2423104015027
1994	33.53564499278643
1995	34.41529765059177
1996	29.393755780208565
1997	31.27111614639179
1998	36.21167458033997
1999	35.10962948220387
2000	34.518731760138394
2001	35.31725222863136
2002	40.50051526242848
2003	53.855038137058905
2004	46.73986213581776
2005	43.3332983887031
2012	33.02054651518587
2013	38.028028306095294
2014	38.37292999322709
2015	37.92248701309508
2016	33.322430437930635
2017	35.55417754411237
2018	28.024931445584368
2019	32.43112633679558