Year % of GDP per capita 1998 9.18104 2005 13.02792 2006 13.19144 2008 13.28715 2009 17.27722 2010 16.7507 2011 14.63009 2012 14.49724 2013 15.07399 2014 14.66828 2015 13.74234 2016 11.80185 2018 10.90433