Year % of GDP 2002 0.00233644859813084 2003 0 2004 0.000826446280991736 2005 0 2006 0.113434343434343 2007 -0.0686567164179104 2008 0 2009 0 2010 0.00250312891113892 2011 -0.00136425648021828 2012 0.00066577896138482 2013 0.000639386189258312 2014 0