Year % of total taxes 1991 37.35728421373115 1992 15.726214101172031 1993 11.133307712717587 1994 16.18570885649827 1995 16.201626671628972 1996 18.194227895756224 1997 17.844624280730343 1998 18.579548786507587 1999 17.64531030111822 2000 14.020492781230926 2001 12.698935791122034 2002 13.566649443951192 2003 13.35948172801562 2004 13.117523684801391 2005 14.04905786621891 2006 15.434068497481936 2007 17.00558075824348 2008 16.251341500102857 2009 16.455480743025046 2010 14.33355566163739 2011 14.066591043588343 2012 11.613683538638911 2013 11.842285573925203 2014 10.71213590253112 2015 11.875986754356042 2016 13.102697045553647 2017 12.873473334709558 2018 10.605597297582587 2019 10.863753193338278 2020 11.16201624351087 2021 10.61019547875315 2022 15.243022559840384