Year % GDP 1960 14.809164314970358 1961 14.132120104368163 1962 13.97367762743022 1963 13.48284563735521 1964 12.641426417859725 1965 12.063685559859673 1966 11.99459394768263 1967 10.568644223429487 1968 11.512559936168849 1969 11.96818467774857 1970 13.143231727302524 1971 12.750614692362266 1972 12.705269232787114 1973 12.314512653161751 1974 10.59988429235465 1975 10.474311750432065 1976 8.17564845833397 1977 9.780601716085586 1978 10.518805840409698 1979 12.405832004667982 1980 11.099067170627029 1981 9.715818340716632 1982 8.492920299264206 1983 6.7671580782685465 1984 4.898852090679703 1985 -1.553337292541634 1986 -5.926841171861037 1987 -6.890658618875555 1988 -6.898675468765999 1989 -6.363916030232729 1990 -5.539826714551096 1991 -3.8088210538839395 1992 -1.1959271571640637 1993 -3.1259023545682085 1994 -3.645058969597946 1995 -4.544208618079653 1996 -2.8371853998209873 1997 -4.2126798324776145 1998 -1.3477037990586784 1999 -2.9694511406965702 2000 -4.5666648112954995 2001 -12.800534624192894 2002 -11.429775562589018 2003 -12.5747443659366 2004 -11.495106632087781 2005 -11.410517472870307 2006 -4.102619882231375 2007 -4.009111192649355 2008 -13.632173782051648 2009 -16.431898519169476 2010 -17.876746741609864 2011 -15.880579189011538 2012 -16.13616387347046 2013 -12.949340443673583 2014 -10.649362889717677 2015 -11.14545060145046 2016 -13.194845372404354 2017 -13.749859694388048 2018 -13.731857324075703 2019 -15.39546008173065 2020 -19.4494991441757 2021 -17.751740256724727 2022 -12.846015987554724 2023 -14.764150879014881