Year constant 2015 US$ 1960 2521493928.3951473 1961 2646171116.7233133 1962 2715217225.2696476 1963 2858289241.108382 1964 3122071030.0173745 1965 3095703293.5950217 1966 3219841664.701866 1967 3325149545.9629245 1968 3392706108.2449727 1969 3513669692.11457 1970 3586513326.871889 1971 3615782690.288897 1972 3069972226.551363 1973 3155865674.717689 1974 4605000795.148552 1975 4713375229.045124 1976 5860667282.613964 1977 6557702331.708836 1978 7290976740.82419 1979 8323693251.0061655 1980 9515630201.409836 1981 8667718710.772003 1982 9074887147.125841 1983 9077554400.255714 1984 9282912570.099691 1985 10426629731.846418 1986 11479076341.832245 1987 12252796883.290539 1988 13668693586.92359 1989 15870855904.859331 1990 17238476583.001667 1991 19381802855.50742 1992 22081070897.57989 1993 22861462140.272167 1994 25519701908.626476 1995 28322688967.094612 1996 31660509296.184483 1997 35648774150.19278 1998 37940366981.464485 1999 40594060229.80857 2000 43058815567.898254 2001 46336146232.50639 2002 47838853101.91471 2003 51192578957.79906 2004 58878893946.60278 2005 60806362559.20874 2006 63983484320.82394 2007 68303927900.40818 2008 67959544402.485085 2009 65103329816.97636 2010 66319975722.29184 2011 69763448453.43176 2012 69988887010.44028 2013 72130660714.31197 2014 72463487690.59982 2015 70773876096.10408 2016 71197356583.96129 2017 70512686828.31258 2018 73957337034.41177 2019 72072252591.26035 2020 71415984061.80025 2021 70319895107.22034 2022 70854675836.39836 2023 70629131742.99269