Year % of total taxes 1981 27.01189643107068 1982 23.400000000000002 1983 25.02189781021898 1984 26.679897930252338 1985 21.714818266542405 1986 25.361197110423117 1987 26.80860805860806 1988 24.54328832406672 1989 32.400617522192206 1990 32.411196595187434 1991 41.470765521398434 1992 30.631364562118122 1993 31.40039020160416 1994 31.851716914108753 1995 28.765669489331806 1996 32.21125715542599 1997 33.253978123698964 1998 32.554568277444616 1999 33.738196313548954 2000 33.86463776923237 2001 36.59631429179227 2002 37.2117233796344 2003 33.700638749127464 2004 31.296346786793382 2005 32.81039652174145 2006 35.12176551442713 2007 36.78557296418749 2008 43.04681370178521 2009 40.083168496330416 2010 33.24983127235943 2011 28.411898479700138 2012 28.36505682268039 2013 27.451994843873294 2014 28.077825744134056 2015 28.30673300992145 2016 30.389248891008418 2017 30.329544941153326 2018 28.36697778816497 2019 28.455389020437483 2020 28.589388157791944 2021 25.393839846809847 2022 28.90936878003559