Year % of GDP 1960 -1.9593118514472965 1961 -2.0955788397648862 1962 -4.466090792133799 1963 -5.828069211755013 1964 -6.476190476190475 1965 -3.0015449128227765 1966 -4.1508199402936246 1967 -2.288148966387881 1968 -5.663647105159511 1969 -3.080234543160395 1970 -3.5263618190904547 1971 -4.54128032704328 1972 -4.664868922187317 1973 -4.625969477107831 1974 -10.930007429253248 1975 -17.378359024610862 1976 -10.750827789875608 1977 -9.779656268651262 1978 -14.033040594485048 1979 -16.47878614916286 1980 -12.35376099088604 1981 -12.536704780625982 1982 -11.535447096544349 1983 -11.278195488721805 1984 -11.39240506329114 1985 -9.651474530831099 1986 -8.390022675736962 1987 -10.097087378640776 1988 -17.857142857142858 1989 -14.545454545454545 1990 -12.21294363256785 1991 -7.9111111111111105 1992 -2.516175413371675 1993 -4.252577319587629 1994 -5.485714285714286 1995 -5.147058823529411 1996 -5.448997384481256 1997 -6.054907860097781 1998 -9.498956158663884 1999 -8.257477243172952 2000 -6.615701264334019 2001 -4.850850292723725 2002 -4.3547110055423595 2003 -2.586826347305389 2004 -1.3599835153513289 2005 -2.2655524605385327 2006 -1.6189088554314395 2007 -4.578410311493018 2008 -5.59463986599665 2009 -6.639800422183842 2010 -5.237858445217968 2011 -4.120778936620232 2012 -7.917836030333792 2013 -6.33734680713825 2014 -8.431924882629108 2015 -8.478251974303367 2016 -9.55562117073891 2017 -12.803960721026286 2018 -9.941708456559942 2019 -7.835954253037884 2020 -7.180704092578748 2021 -8.734673050081794 2022 -6.809053235575391 2023 -2.2382180908679126