Year % of total taxes 1990 22.93133271652118 1991 17.47589272261564 1992 13.202474107476577 1993 14.622078353662287 1994 15.686634674993686 1995 15.612229221078508 1996 16.24503665599685 1997 15.290872873997651 1998 13.734766743058355 1999 14.599858559987766 2000 14.124635849917519 2001 16.437998940080924 2002 16.520165024837922 2003 14.83689214227136 2004 12.827855438662711 2005 13.0185389133627 2006 15.695849053724636 2007 16.523103632478634 2008 21.877379355353323 2009 26.55300531268447 2010 20.91831608560233 2011 21.798053686891777 2012 20.53768574327147 2013 18.667177746139522 2014 18.98345387892599 2015 20.961402309513925 2016 22.205246333207974 2017 21.59417954090208 2018 21.274390916106274 2019 21.795419586395486 2020 22.254714127256225 2022 25.597738020437184