Year % of GDP per capita 2002 19.73004 2003 10.05308 2004 7.19128 2005 11.83002 2006 9.31537 2007 10.10801 2008 18.76263 2009 18.8744 2010 15.52794 2011 13.30391 2012 18.22329 2013 19.117 2015 19.56957