Year % of government expenditure 2008 15.26075458526615 2009 15.675440311431899 2010 16.01488494873045 2011 15.0456495285034 2012 15.853376388549801 2013 15.4976797103882 2014 16.0109453201294 2015 16.2116394042969 2016 15.6049003601074 2017 15.19615507125855 2018 15.7061252593994 2019 14.39703512191775 2020 14.7449998855591 2021 15.3575849533081 2022 14.3319997787476