Year % of GDP 2002 0.367559999227524 2003 0.25611999630928 2004 0.260560005903244 2005 0.215139999985695 2006 0.300330013036728 2007 0.388209998607635 2008 0.326319992542267 2009 0.255470007658005 2010 0.359899997711182 2014 0.142649993300438