Year % of GDP per capita 2002 7.7816 2004 7.97078 2005 7.43949 2006 9.72882 2007 9.91776 2009 15.70711 2010 17.08411 2011 17.79961 2013 15.56091 2014 13.02109 2015 13.45657 2016 12.74297 2017 12.72411 2018 12.30702