Year % of total taxes 1973 55.353580137441874 1974 58.319935691318214 1975 58.979339572664436 1976 57.750854302578645 1977 56.53366241601533 1978 55.66496163682846 1979 55.778231129245256 1980 55.79135485312181 1981 56.02496934566936 1982 56.29290617848982 1983 53.38899263978926 1984 51.33218736570687 1985 51.00318962856264 1986 51.500669088128525 1987 51.26050420168078 1988 51.87969924812019 1989 52.517925629481276 1990 55.000740850496385 1991 56.96185649506543 1992 55.007622456419355 1993 55.90906244128513 1994 51.03150912106141 1995 48.73722319961615 1996 48.78417810439857 1997 48.0044001552996 1998 47.0355537592926 1999 45.5792477418775 2000 45.69584006931457 2001 45.54471910552007 2002 45.695126896850915 2003 43.85586724917606 2004 42.90772502037337 2005 45.007223518751225 2006 45.42696931776782 2007 46.68052740612216 2008 46.274197437939826 2009 46.950003438553054 2010 47.370304381210815 2011 46.869204341613205 2012 46.137335669081324 2013 45.16411782344936 2014 45.74199414082231 2015 48.150126703650436 2016 47.687578144133234 2017 50.32774859892609 2018 49.743629975399685 2019 50.640143629509524 2020 49.896981559699185 2021 50.61470319420683 2022 53.9468332742015