Year % of government expenditure 2005 16.3474063873291 2006 15.4679231643677 2007 15.0828647613525 2008 14.685188293457 2009 16.3327980041504 2010 15.7272882461548 2011 15.8688669204712 2012 15.9415674209595 2013 15.6085023880005 2014 16.5697288513184 2015 16.4709491729736 2016 16.2954635620117 2017 15.8099765777588 2018 15.4155521392822 2019 14.4941005706787 2020 12.5279674530029 2021 11.6664562225342 2022 12.1873197555542