Year % of central government expense 2005 60.469188172435025 2006 46.65383094308934 2007 42.64840923827481 2008 54.54508003825047 2009 58.519592825088594 2010 99.65040475750588 2011 69.04645547912762 2012 76.27324353880918 2013 71.2516695871568 2014 63.198929099825975 2015 45.36908688313282 2016 32.661391970659416 2017 32.99787794780302 2018 16.97890398035291 2019 28.25506304266945 2020 28.11370146088506