Year % of general government expenditure 2000 14.457545797051335 2001 15.014118428137518 2002 15.325044917051766 2003 15.39757568588656 2004 15.69807660454024 2005 15.825444555711112 2006 16.083052319350013 2007 16.076932600531613 2008 15.883944712229926 2009 15.991516425942393 2010 16.109986009787598 2011 16.621439840343825 2012 16.75489791466052 2013 16.904776763678967 2014 17.408634686040674 2015 18.070213276152863 2016 18.338539640859857 2017 18.449395196808183 2018 18.451909465522448 2019 18.555615649200735 2020 18.713999259334344 2021 18.764874838658024