Year % of total taxes 1990 32.54185893210283 1991 33.34247702647099 1992 33.5296231522963 1993 32.49554676977886 1994 33.86778717679365 1995 35.79997230425388 1996 37.06393689486646 1997 39.831135588902505 1998 43.95621541822197 1999 42.62890156270993 2000 44.05223614529075 2001 45.2615713119387 2002 44.619397236958484 2003 44.567587209302324 2004 45.98284382592599 2005 45.82406213239983 2006 43.84161750357312 2007 45.75966693892951 2008 45.96234931720967 2009 44.353752585091534 2010 44.7327852004111 2011 47.581322101325995 2012 47.20507116261164 2013 46.777247728406344 2014 45.65955587668425 2015 46.610446301932 2016 46.5169486818253 2017 45.552693700606525 2018 40.352996233530554 2019 41.1870013849509 2020 41.74713024330921 2021 38.5509826941577 2022 38.41782558538528