Year % of GDP 2001 1.920778342606672 2002 1.7680953059751738 2003 1.934535809292714 2004 2.0871448548633684 2005 2.1939785625023855 2006 2.0028533329538396 2007 1.5801851656157688 2008 1.3027543009806863 2009 1.4625388222873188 2010 1.695838647077565 2011 1.7090115532510008 2012 1.9845223509407477 2013 2.157956456792709 2014 2.5686632118614448 2015 2.33594117122002 2016 1.9862983375590508