Year % of total taxes 1991 31.682853611160166 1993 43.557638931721456 1994 36.42482869810561 1995 42.00666852986865 1996 41.938747836656546 1997 40.095860054724255 1998 40.24777296823916 1999 40.7763046284671 2000 40.98029991938444 2001 39.84366395165098 2002 38.06513090600001 2003 41.2003159289897 2004 44.57095768510534 2005 45.150254336705025 2006 46.52185605195728 2007 44.420869943097415 2008 44.934229232136715 2009 34.61195744712418 2010 28.62697107914614 2011 27.75129613611399 2012 30.695285901647555 2013 31.582499084439046 2014 31.505539310287684 2015 32.29256434796039 2016 33.0326098098995 2017 32.15053193673157 2018 33.227498100921906 2019 43.853715552565035 2020 43.09963608245882 2021 45.18465085983237 2022 46.922720510549645