Year % of GDP 1999 0.4904861930973153 2000 1.3232421875 2001 1.0616787024979284 2002 1.3014365886784718 2003 1.2796113230336572 2004 1.4516255341999866 2005 0.7743071120100584 2006 0.7355163906282632 2007 0.8426906455280613 2008 0.7692323219478028 2009 0.3818626840203497 2010 0.5468929175386071 2011 0.5865584822758747 2012 0.5819438885446879 2013 0.4623030407373427 2014 0.23349076667622398 2015 0.13579785008528852 2016 0.6260001081594573