Year % of GDP per capita 2002 6.07701 2004 6.70211 2005 6.94716 2006 9.91968 2007 11.05105 2009 17.78799 2010 13.31665 2011 13.52729 2013 16.375 2014 11.27472 2015 14.38817 2016 13.63639 2017 13.56321 2018 13.93424