Year % of GDP 1960 -28.10045911127817 1961 -21.259214150488663 1962 -1.0247740068722846 1963 -12.14083308831876 1964 -4.355703800762682 1965 -3.2291347937607795 1966 1.3326255137337988 1967 1.8026474437470796 1968 -1.0516197546981245 1969 -4.28198125569991 1970 -7.0799350050420164 1971 -9.221258374296907 1972 -5.277306318256969 1973 -6.086100528588339 1974 3.2592679906029156 1975 -9.276662973100724 1976 -4.064089031452533 1977 -11.1537503704798 1978 -14.632895446991833 1979 -1.7174488746675831 1980 3.9999997710769257 1981 3.709507912412425 1982 1.9267813770367337 1983 2.1394948679582733 1984 -1.7563513249451081 1985 -3.1582548546244316 1986 -10.317195897670274 1987 -4.13963501816968 1988 -7.095851520459422 1989 -9.874793035054857 1990 -1.4933435158641721 1991 5.518057633309381 1992 1.4501043226463561 1993 -1.3550593775306037 1994 -3.5229872973046557 1995 -2.801453250031679 1996 5.81574877359012 1997 9.568711253790308 1998 0.062257461099987005 1999 5.371116898966648 2000 21.28109180664841 2001 13.712813673882701 2002 9.684722913589514 2003 13.568991752998599 2004 15.427921348017733 2005 21.90210557623737 2006 25.612976568655355 2007 21.89483793682773 2008 20.265871361084677 2009 0.887257818404359 2010 6.485243236981423 2011 9.756082857603957 2012 8.007944668946577 2013 2.4477217009346974 2014 -1.6845692258111598 2015 -12.148339228323495 2016 -12.787556848944028 2017 -9.153457136923647 2018 -5.589956200106287 2019 -5.690958709185266 2020 -9.319354339300638 2021 0.4941126274538735 2022 11.052504832972888 2023 4.139147768638042