Year % of GDP 2001 7.852792470575314 2002 7.887123727728487 2003 7.836050277876505 2004 7.60497659759871 2005 8.142628340140504 2006 8.334937301557147 2007 8.662793140847477 2008 9.428781171154519 2009 9.871583603258562 2010 9.266251067189591 2011 9.843884577554233 2012 9.638538732852457 2013 9.507119611289582 2014 9.504436491459538 2015 9.00588487034226 2016 7.862768135462154 2017 7.639874367725574 2018 7.494145018045102 2019 8.272315876871149 2020 8.148320245576254 2021 8.324251341742903