Year % of GDP per capita 1998 27.6868 2005 24.85249 2006 24.26211 2008 19.78577 2010 25.26933 2011 21.36241 2012 18.64888 2013 20.89553 2014 24.6833 2015 20.54068 2016 11.42773 2018 11.4156