Year % of government expenditure 1999 22.8960704803467 2000 29.385950088501 2001 26.2800197601318 2002 25.4893093109131 2003 24.2714900970459 2004 24.7011394500732 2005 22.7150497436523 2006 24.7079601287842 2007 22.5274391174316 2010 12.3283996582031 2012 17.0769996643066 2013 17.3199996948242 2014 17.7490005493164 2015 8.57643985748291 2016 12.0085096359253 2017 13.2546997070312 2018 13.991530418396