Year % of total taxes 1992 24.704281377577747 1993 22.658183103570142 1994 22.79688676876731 1995 23.84455763063573 1996 25.231811266746245 1997 26.48174055036938 1998 25.002231979033056 1999 23.402420343521307 2000 24.3953521702603 2001 25.287075425253253 2002 26.093567091583758 2003 26.620236680331548 2004 27.65033623809414 2005 30.023889000681635 2006 31.81333245328133 2007 30.577003622685652 2008 29.73125575020746 2009 25.985700216433962 2010 23.625775755477825 2011 23.075935203758497 2012 20.728625159726295 2013 17.681560846909512 2014 19.158179658499503 2015 21.271579636488738 2016 22.716720811903475 2017 23.595177263386798 2018 25.59837329040196 2019 25.33019954958468 2020 25.639122048117635 2021 28.680784066464295 2022 27.99007422099089