Year % of government expenditure 2005 19.5349559783936 2006 19.9711990356445 2007 19.0738315582275 2008 19.9327144622803 2009 20.7497901916504 2010 22.4351692199707 2011 21.4006881713867 2012 20.8434753417969 2013 18.2398204803467 2014 17.5889492034912 2015 18.1821689605713 2016 17.6604232788086 2017 17.756555557251 2018 17.5512390136719 2019 18.3722457885742 2020 17.1736507415771 2021 16.3365783691406 2022 15.7987813949585