Year % of total taxes 1990 30.06060606060606 1991 29.25714285714286 1992 23.572170301142265 1993 23.900573613766728 1994 26.685133887349956 1995 22.085308056872037 1996 26.96629213483146 1997 26.21199671322925 1998 26.11996962794229 1999 25.64102564102564 2000 26.808176100628934 2001 32.057761732851986 2002 31.603408210689388 2003 29.702251270878723 2004 26.235011990407674 2005 10.837155963302752 2006 11.806753758935173 2007 11.083796494228302 2008 14.648028793839456 2009 9.509228544696777 2011 15.662847544298462 2012 16.48198762089547 2013 12.085561497326204 2014 14.488416988416988 2015 9.795985793342695 2016 4.721477331669317 2017 3.5849133315332598 2018 4.558810686381944 2019 5.703867090966323 2020 1.74474428908893