Year % of GDP per capita 2003 25.73074 2006 29.09842 2007 33.51302 2008 28.00896 2009 29.3888 2010 21.70959 2011 21.24614 2012 19.50637 2013 22.37595 2014 29.66632 2015 22.53418 2016 16.47221 2017 13.30223