Year % of GDP per capita 2003 24.676075 2004 23.79821 2007 22.93953 2008 25.76982 2009 28.30466 2010 27.21625 2011 25.89151 2012 25.26151 2013 23.462365 2014 23.656035000000003 2015 23.00137 2016 23.02147