Year % of GDP per capita 2002 24.33024 2003 25.50515 2004 25.683165 2005 25.378395 2006 24.92199 2007 24.6169 2008 25.37782 2009 27.61234 2010 26.2857 2011 25.89147 2012 24.1497 2013 24.117755 2014 23.775505000000003 2015 23.05669 2016 23.048605000000002