Year % of GDP per capita 1995 15.68629 2000 16.74596 2005 17.92028 2006 17.73229 2007 17.28608 2008 17.65014 2009 19.91991 2010 22.33566 2011 19.96941 2012 18.14095 2013 18.65626 2014 18.24146 2015 18.78482 2016 19.30184