Year % of total taxes 1972 39.800174604714215 1973 42.60278685704453 1974 45.38149283406506 1975 43.66185567010309 1976 44.65063861758081 1977 47.180258390867465 1978 45.966553469596974 1979 45.39273573089997 1980 44.51638329017004 1981 43.47276424998625 1982 44.254212493904745 1983 43.36269349038416 1984 41.45506419400844 1985 43.7335152341975 1986 44.27122547499896 1987 43.63605456631682 1988 44.357509521443774 1989 44.132482753505045 1990 40.593355835850005 1991 41.02936711057129 1992 41.50796269081966 1993 39.54649656134755 1994 37.86718589107521 1995 42.22547234026896 1996 43.434256633534794 1997 43.55120022431434 1998 43.78224335889894 1999 43.431667060451616 2000 44.19104869384167 2001 40.70595052635557 2002 39.78956472815978 2003 39.23614537082717 2004 39.434583737817775 2005 39.29984704401278 2006 41.120083455683485 2007 41.06247793858101 2008 41.6610472340411 2009 38.5936564931179 2010 37.75874325699391 2011 38.30491046310847 2012 39.867496952241865 2013 40.78483029040559 2014 41.21953686515303 2015 42.01464157504887 2016 44.03508573752344 2017 44.64365647138289 2018 45.717738777267435 2019 45.93141026449554 2020 47.78428407942329 2021 46.216050814583035 2022 46.76779532930748