Year % of GDP 1970 7.744744746846564 1971 2.774403988392738 1972 3.5086002334829796 1973 2.906963047654107 1974 2.6555091330842955 1975 1.742517141672945 1976 0.8168308951021522 1977 1.0662602474316998 1978 1.1234611131501644 1979 1.9362414192750814 1980 -0.5009477226272729 1981 1.867462005696744 1982 1.2139612676798732 1983 1.3308788358949888 1984 1.1395143247877193 1985 1.2832659992967763 1986 0.39849561623929747 1987 0.6196878740466287 1988 1.3845209191634282 1989 1.080397899679859 1990 1.2205041618899095 1991 2.753049898721189 1992 3.4520074658174993 1993 0.8424100668027735 1994 2.116245258796143 1995 4.160518499348834 1996 6.401189622915049 1997 4.31367775302935 1998 4.507579422915565 1999 5.358393867648046 2000 5.8236461470104715 2001 4.2923703684509595 2002 3.1501328394132933 2003 5.138025597328093 2004 11.917532965258452 2005 26.07328748396987 2006 27.935684293026878 2007 32.69396499200674 2008 20.85712839704117 2009 45.34930765967908 2010 27.92341543761366 2011 29.246344445780657 2012 43.081068413946994 2013 18.019473699614082 2014 29.06714337612032 2015 19.169429492822413 2016 7.6178566205902145 2017 8.569123671444794 2018 4.925519647254471 2019 27.71208657645549 2020 -6.113577621548208 2021 11.256212070735051 2022 5.013729082520108