Year % of GDP 1977 0.05670108033273959 1978 0.014362691567468593 1979 0.0304552289916519 1980 0.23765323655074413 1981 0.037110413309018736 1982 0.09568482649449157 1983 0.05997114705554953 1984 0.0765319981923161 1985 0.2133108814273727 1986 -0.21301477020847415 1987 0.07993759599460608 1988 0.24520068415012874 1989 0.8749736367927523 1990 0.3541356706392514 1991 0.5935045778034989 1992 0.360104338585789 1993 0.42014601111524014 1994 0.1638773780806351 1995 0.142616039399899 1996 0.2853485084112945 1997 0.29825539318759453 1998 -0.3115394183688472 1999 0.3130761118434069 2000 0.797501715155719 2001 -0.260261817611041 2002 -0.01055042513046306 2003 0.07992289741040436 2004 0.016642902878981857 2005 0.3363749693581098 2006 0.23904668535651938 2007 0.24937191999894204 2008 0.16018134116577695 2009 0.26886387261357186 2010 0.664616545839226 2011 0.37046809408581655 2012 0.6301764088260702 2013 0.40234424101811056 2014 0.45978586218547995 2015 0.3863018226183876 2016 0.3706520411524126 2017 0.1815256980153031 2018 0.05502613140986868 2019 0.22769070135214758 2020 0.16473497931665115 2021 0.31899228515916417 2022 0.06588857239112214