Year % of GDP 1960 13.80838731674054 1961 6.887667468223977 1962 2.9051738207932103 1963 1.7308693388859968 1964 1.7344570660803713 1965 4.475138121546961 1966 3.9488724929855556 1967 2.4380249948780985 1968 3.521333987248651 1969 10.197896238188624 1970 4.235353791529292 1971 1.4357390968737938 1972 -1.350210970464135 1973 5.634780750948032 1974 0.2362411409572141 1975 0.4522658069138456 1976 10.446857753249066 1977 7.507730364873222 1978 5.564060602861215 1979 8.874719972428055 1980 2.5024386583627223 1981 -6.184368111363755 1982 -8.712599242799406 1983 -4.961387769008006 1984 1.9082338152105593 1985 5.132309281012005 1986 6.095482861692321 1987 13.869396312511562 1988 10.20677709212948 1989 6.064637518649093 1990 2.0439868660827503 1991 -3.660341612148841 1992 1.3564991173464647 1993 -0.09988733637641264 1994 -1.6033889113429278 1995 -3.934859511041789 1996 1.3853199438777923 1997 0.913784843591973 1998 21.995247896682354 1999 25.051867909723235 2000 19.212628471861752 2001 17.440346702441158 2002 17.254372894447737 2003 19.691763239399286 2004 20.37240954502498 2005 21.943308963938936 2006 21.793814847583047 2007 19.871043376318877 2008 22.330829704305092 2009 20.274613281485628 2010 15.915825251937466 2011 15.573199609973534 2012 10.758073085048988 2013 8.537090595652524 2014 9.274766074709678 2015 7.527309348891024 2016 6.651880882801725 2017 6.868311645237851 2018 6.707317337245695 2019 7.526971657772216 2020 6.36768937323138 2021 7.22919571406518 2022 7.236513089864884 2023 4.993402282759239