Year % of government expenditure 2005 18.0587387084961 2006 17.00898122787475 2008 17.401758193969698 2010 17.234956741333 2011 18.4566612243652 2012 17.4709997177124 2013 17.2432594299316 2014 17.4525499343872 2015 16.844510078430147 2016 16.5550003051758 2017 16.48048782348635 2018 17.2210006713867 2019 15.2919998168945 2020 15.5019998550415 2021 15.5159997940063 2022 14.09299993515015