Year % of GDP 1979 50.27014485294815 1980 34.54322953879284 1981 27.386858524887494 1982 55.502505612342546 1983 74.47619050729236 1984 50.45207844958773 1985 30.654347832437605 1986 29.891487516014887 1987 49.91960784313726 1988 51.199994823276974 1989 48.77857731554153 1990 57.25818744374605 1991 100.67082318108886 1992 95.99630250967508 2006 4.266713576568717 2007 11.06339057642364 2008 8.385997934227309 2009 3.4690277042493585 2010 14.648460327900784 2011 7.869301822939792 2012 26.652015213382214 2013 27.704473261646857 2014 61.70031195517828 2015 76.06240859606937 2016 46.56072980673026 2017 69.23310539882624 2018 63.633515738802416 2019 65.73516945807877 2020 57.11518870628937 2021 36.998146749052054