Year % of GDP per capita 1998 22.35308 1999 21.30818 2000 21.72499 2001 20.64739 2002 22.2216 2003 21.81375 2004 23.52314 2005 23.57448 2006 23.09714 2007 23.66173 2008 24.76819 2009 26.74402 2010 26.15131 2011 25.6905 2012 22.04928 2013 22.22538 2014 21.88263 2015 21.33574 2016 21.74093