Year constant 2015 US$ 1960 5781578754.444599 1961 6832490129.766228 1962 6832490129.766228 1963 5255319314.29503 1964 6307034461.978427 1965 6307034461.978427 1966 5781586316.126086 1967 5781586316.126086 1968 6307034461.978427 1969 7883389281.1974945 1970 6397858479.296654 1971 7160082049.968402 1972 6811402885.495156 1973 6722205023.57978 1974 7087106326.344799 1975 7216836222.746502 1976 5700500111.001596 1977 7816908932.272299 1978 7411452871.025387 1979 11457697349.297169 1980 16769053807.72344 1981 15387464166.888294 1982 8835486125.913153 1983 8223741299.836839 1984 8610677487.528324 1985 7488023414.450824 1986 8825941665.418219 1987 9839615866.372663 1988 8933579592.458225 1989 7458048127.629002 1990 7316351404.649233 1991 13173507666.73496 1992 21826389355.74225 1993 25058137515.036255 1994 30353180910.17389 1995 27376556729.970627 1996 32175418245.857704 1997 40821452847.18317 1998 44256140758.4191 1999 39269903517.75697 2000 39208026466.94148 2001 33739846877.61813 2002 16849830033.986954 2003 23179531291.833733 2004 32479571849.742737 2005 37627009711.90277 2006 41762919036.89604 2007 49965275067.21821 2008 56741659099.45962 2009 46291865845.2115 2010 62588647492.18099 2011 76376060673.97023 2012 72764799491.18575 2013 75590170049.3954 2014 66912422371.97636 2015 70064879911.7042 2016 74145572745.46277 2017 85700267253.02332 2018 81876889517.28857 2019 66568179534.94145 2020 55111349044.48871 2021 66374719091.013374 2022 78239238205.22513 2023 79929762814.22705