Year % of GDP 1990 0.639022421010983 1991 0.582906557798307 1992 0.545295583652784 1993 0.592186420751276 1994 0.670784940101143 1995 0.802673310614926 1996 0.812675513880029 1997 0.804050121832851 1998 0.814525728604263 1999 0.462370901257643 2000 0.64878145322726 2001 0.858452679296687 2002 1.17058840670198 2003 0.820892853183124 2004 1.02085475369624 2005 1.28973568533705 2006 1.33425165972172 2007 1.41426530663488 2008 1.21083129603755 2009 1.77360153552263 2010 1.39408948599556 2011 1.15243299574461 2012 1.42580825881716 2013 1.88859809428919 2014 2.28817061051005 2015 1.86281114357274 2016 1.37802629270615 2017 1.13858543021991 2018 1.54108781216236 2019 1.68853062615573 2020 2.16630490857925 2021 4.58022937363502