Year % of GDP per capita 2003 13.18261 2004 12.40768 2005 14.99707 2006 13.98258 2008 16.41989 2009 19.82613 2010 15.19084 2011 14.57279 2012 15.50869 2013 16.20514 2014 15.17783 2015 18.69794 2016 16.07814