Year % of government expenditure 2008 18.0012397766113 2009 15.1887102127075 2010 17.0566692352295 2011 17.8112697601318 2012 18.7849903106689 2013 18.515510559082 2014 16.8120002746582 2015 15.0170001983643 2016 15.6049003601074 2017 15.4739999771118 2018 16.0908699035645 2019 15.5719995498657 2020 14.4720001220703 2021 14.8170003890991 2022 15.4490003585815