Year % of GDP 1980 18.13695652173913 1981 19.645714285714288 1982 14.454545454545457 1983 5.075187969924812 1984 4.771723122238587 1985 5.9765625 1986 4.270152505446618 1987 3.9940828402366866 1988 3.827586206896541 1989 5.471841704718412 1990 7.726517571884988 1991 9.409173204586596 1992 6.073626373626368 1993 4.988642509464581 1994 4.556824078879084 1995 4.292718446601949 1996 2.3342723004694816 1997 5.934283088235292 1998 9.504854368932039 1999 9.020088388911214 2000 10.303237906076406 2001 11.743549263599043 2002 11.101023473153287 2003 16.593432072310467 2004 11.395727728163719 2005 10.169860696930744 2006 22.779518956441926 2007 15.193420090712978 2008 13.606386415520769 2009 9.63093050790726 2010 11.753017024360785 2011 6.195333483871914 2012 7.3809255887902765 2013 7.566764157815133 2014 3.845178698287289 2015 8.422037226553302 2016 8.649142174028823 2017 4.500439600106007 2018 2.2087910009406455 2019 3.60932382531805 2020 6.618624931165995 2021 5.934997095598988 2022 1.4066976730630618