Year % of GDP per capita 1999 53.53328 2000 54.24626 2002 25.3062 2003 20.1443 2004 19.0448 2005 21.53847 2006 19.18789 2007 16.00569 2008 16.40389 2009 15.48866 2010 23.24413 2011 28.85212 2012 49.61225 2013 19.14788 2014 17.35804 2015 24.61862 2016 23.20479 2017 19.0542