Year % of total taxes 1990 43.751525777314185 1991 46.71980654695267 1992 39.36700715836886 1993 35.3992627854854 1994 32.91322134215336 1995 36.64331800230778 1996 37.29795428715747 2004 31.90192120861383 2005 32.47605754481005 2006 35.816658557015444 2007 45.24637480359656 2008 36.84130413380377 2009 38.78636627113261 2010 32.422340445015585 2011 30.86807624044554 2012 30.273382235319502 2013 24.432906119712104 2014 24.972544676438297 2015 26.087402970827235 2016 30.110258384053147 2017 31.07761542655983 2018 27.468832110161795 2019 26.513639275096946 2020 27.325077225927274 2021 31.29657559011688