Year % of total taxes 1990 5.133741153892287 1991 4.987968829333981 1992 6.687768914480224 1993 15.294204534664122 1994 19.433384160185845 1995 17.950420540061973 1996 21.087704309899053 1997 21.324023465895472 1998 24.150078157990265 1999 25.00495474664729 2000 25.10695558692107 2001 26.561620709060215 2002 18.703184207010924 2003 22.045073886389517 2004 24.202354203896384 2005 25.247016284340567 2006 25.025677734936362 2007 20.562697868948625 2008 18.6694237600754 2009 19.202803827825505 2010 19.16404823072389 2011 20.777949109147343 2012 21.474235903967635 2013 23.333299757099933 2014 24.534576915954307 2015 27.224654568983187 2016 21.86487262501158 2017 22.898254305113007 2018 18.514143531888696 2019 14.908697214294564 2020 15.18027288303616 2021 14.437975937598626 2022 17.32845726995208