Year % of GDP 1996 0.451590001583099 1997 0.491690009832382 1998 0.361979991197586 1999 0.455570012331009 2000 0.465579986572266 2001 0.522469997406006 2002 0.509039998054504 2003 0.465319991111755 2004 0.497130006551743 2005 0.563809990882874 2006 0.552919983863831 2007 0.686160027980804 2008 0.687409996986389 2009 0.803619980812073 2010 0.793690025806427 2011 0.793929994106293 2012 0.825950026512146 2013 0.812059998512268 2014 0.856400012969971 2015 0.876890003681183 2016 1.11978995800018 2017 1.17631995677948 2018 1.2717399597168 2019 1.32146000862122 2020 1.36757004261017 2021 1.40351998806