Year % of government expenditure 2005 14.9999361038208 2006 14.9114542007446 2007 15.3900842666626 2008 15.6171569824219 2009 15.5739755630493 2010 16.4394092559814 2011 16.4648303985596 2012 17.0521717071533 2013 17.2669620513916 2014 17.8689117431641 2015 18.1124095916748 2016 18.0642032623291 2017 18.2108135223389 2018 18.1026477813721 2019 18.1059856414795 2020 15.686918258667 2021 18.4275074005127