Year % of GDP 2000 -0.0880197983925069 2001 0.0238891543239369 2002 0.0603048249530817 2003 0.0491705159574996 2004 0.0456166165423596 2005 0.0830169671832426 2006 0.0662437574460365 2007 0.0586747252039111 2008 0.0500087434571164 2009 0.0380078631584514 2010 0.0432438385656648 2011 -0.00143668829014632 2012 0.61210657352447 2013 0.689437665477606 2014 -2.07813885844208 2015 -5.76168338589972 2016 -6.96029612376409 2017 -8.02417671922472