Year % of GDP 1990 0 1991 0 1992 1.57700786500176 1993 1.5073391112845 1994 1.23704090336897 1995 1.48968062136882 1996 2.37376767640006 1997 2.36680419255539 1998 0.566294280171003 1999 0.86262738734847 2000 0.717797499737714 2001 0.710460753890118 2002 0.580866051623182 2003 0.584914959669557 2004 0.584867075560995 2005 0.467646518806334 2006 0.433854409375931 2007 0.437201412913295 2008 0.370721692615958 2009 0.382227279696342 2010 0.418344087739127 2011 0.448593122441554 2012 0.650407393384968 2013 0.572086723622567 2014 0.570814572907229 2015 0.70896089661581 2016 0.842239877079599 2017 1.04002673922668 2018 1.14402160905757 2019 1.00289755773858 2020 1.14810652957222 2021 1.00983526941144