Year % of GDP 2001 0.502179980278015 2002 0.495579987764359 2003 0.594839990139008 2004 0.504530012607574 2005 0.622839987277985 2006 0.559210002422333 2008 0.646470010280609 2009 0.272579997777939 2010 0.264420002698898 2012 0.294349998235703 2013 0.236010000109673 2015 0.393830001354218 2017 0.759829998016357 2019 0.788290023803711