Year % of GDP per capita 1998 42.0831 2002 44.34047 2004 25.0676 2007 37.47493 2008 42.59991 2009 45.02282 2010 56.31045 2011 39.27497 2012 49.69013 2013 51.35467 2014 47.10169 2015 44.39611