Year % of total taxes 1992 33.58520900321543 1993 55.12373693052177 1994 48.911486018026345 1995 54.157963343960546 1996 41.13031821068228 1997 42.81021564790689 1998 23.99655818191021 1999 13.06498041621443 2000 21.044347473703375 2001 13.658993130077715 2002 22.172402183254107 2003 28.21480351437887 2006 46.69028245738651 2007 24.30710258823741 2008 52.39582570720429 2009 35.95322789783204 2010 42.56881597807096 2011 24.723865139393965 2012 20.520901983402688 2013 21.886093742747832 2014 21.663603683152264 2015 25.283224393686947 2016 19.141144913205256 2017 25.3557316795369 2018 29.447135036073785 2019 31.84932984238752 2020 26.489633931794675 2021 30.145335605858353