Year % of government expenditure 1991 12.1545896530151 1992 15.0957002639771 1994 21.5629405975342 1995 24.1212997436523 1998 16.3176193237305 1999 16.6939601898193 2000 19.6461296081543 2001 20.6242809295654 2002 21.4649105072021 2003 22.4718704223633 2004 22.0538291931152 2005 21.9037895202637 2006 20.8243198394775 2007 19.8890705108643 2008 17.3801593780518 2009 18.6651191711426 2010 18.6425895690918 2011 18.4210205078125 2012 18.0871906280518 2013 16.9059906005859 2014 18.8059406280518 2015 19.0187492370605 2016 17.9393291473389 2017 17.577299118042 2018 16.5778503417969 2020 16.1958599090576