Year % of GDP per capita 2004 3.13181 2005 4.59898 2007 3.7282 2008 5.88323 2009 6.76881 2010 6.31194 2011 6.51963 2012 7.9353 2013 13.70653 2014 13.64495 2015 14.26615 2016 14.91552 2017 18.7182 2018 15.09618