Year constant 2015 US$ 1960 1311932728.690587 1961 1381302142.6040459 1962 1322885871.6786795 1963 1567504043.7389257 1964 1920435937.7559786 1965 2029967968.6152809 1966 2019014907.641086 1967 2241727230.759643 1968 2548413049.085923 1969 2588574272.9843097 1970 2550847044.516105 1971 2768691349.6414595 1972 2752870243.261504 1973 3065641077.296078 1974 3008441749.442505 1975 3293221445.8203964 1976 4519964664.859841 1977 4938615143.7428055 1978 5302500290.062519 1979 5026239659.3685 1980 4539436791.657767 1981 4892368876.863426 1982 4356885719.570435 1983 3139878536.657256 1984 2859966885.545266 1985 2677415813.5977936 1986 2782078406.045837 1987 3239673110.972237 1988 3648587526.456238 1989 3881035912.973758 1990 3483074558.4639516 1991 3663191607.708544 1992 4575946991.921404 1993 5012009195.337666 1994 4880652748.875867 1995 5304946573.311685 1996 5199776588.261242 1997 6369950605.34439 1998 7480006952.670499 1999 7914358976.103671 2000 7217192143.772345 2001 7349482729.091914 2002 8031636192.9178095 2003 7780658546.143076 2004 7690197915.93827 2005 8018988598.097583 2006 9280515566.106363 2007 9740143730.249378 2008 9171767822.657236 2009 7967641422.42595 2010 7803037529.122526 2011 8357478752.366452 2012 8659090135.018927 2013 8788045381.260107 2014 9168745532.193983 2015 9027290313.351791 2016 8871615683.19418 2017 9233978874.783375 2018 9646774375.893024 2019 10493962152.140905 2020 10022110001.114721 2021 12007182066.856174 2022 12423892528.799877 2023 13477696139.284655