Year % of GDP per capita 1998 9.27981 1999 7.95161 2000 10.25412 2001 9.96597 2002 9.32211 2003 8.92471 2004 7.38837 2005 7.43245 2006 6.32811 2007 8.28509 2008 8.33318 2009 9.90917 2010 10.56538 2011 10.67254 2012 14.86801 2013 12.76128 2014 14.24541 2015 16.09805 2016 16.16121