Year % of total taxes 1996 12.326296807043597 1997 9.071949947862358 1998 6.481537622021463 1999 7.287231175551123 2000 5.7948283170835095 2001 5.157840262204588 2002 4.825331268284288 2003 5.226403454657619 2004 5.383998778532712 2005 4.337581356589705 2006 4.828231855598306 2007 5.866026008536042 2008 2.3567819665759813 2009 1.7132644659031364 2010 1.6483306447296997 2011 1.7165671314595472 2012 4.683282674772037 2013 4.331766830888039 2014 11.82456772334294 2015 16.66192575736026 2016 17.849924977799553 2017 17.76004358764803 2018 20.159493098517526 2019 18.838351108816713 2020 18.084205288479012 2021 17.287037473856362 2022 20.46561241838497