Year current US$ 1960 4019001281.0851545 1961 4524766238.80597 1962 4934159990.540787 1963 4796438866.666667 1964 5950087688.888889 1965 5695009523.809524 1966 5378688888.888889 1967 5589327689.963947 1968 5860219211.80724 1969 6318187089.027059 1970 7025370777.80549 1971 7645029433.661261 1972 8473740257.560582 1973 10104386815.545761 1974 12184409033.562662 1975 12776548138.711504 1976 14984942385.646347 1977 19153335981.204212 1978 22922871080.18928 1979 27649181154.12367 1980 33155485755.6215 1981 35904126272.72928 1982 37999647572.47315 1983 37514872085.72425 1984 36678124773.97277 1985 33219419447.17716 1986 33194484135.24499 1987 34383300523.0276 1988 37467546940.18484 1989 37241071886.28806 1990 45539094152.431015 1991 47529164019.915405 1992 56138199532.44088 1993 64517805742.79461 1994 80215001039.27216 1995 90899889367.34236 1996 95090835218.22072 1997 104331050577.84595 1998 96790111934.49585 1999 84924075931.7947 2000 97718648093.31122 2001 95777135425.95847 2002 95314904268.28368 2003 91412427226.86046 2004 113027760127.86485 2005 141880361498.6827 2006 157492940589.50797 2007 199874294820.23117 2008 234129163989.79663 2009 225561446056.23358 2010 276539068640.1636 2011 320761717459.1207 2012 356514927997.9611 2013 368881076786.01526 2014 370407849663.06067 2015 289667485036.8379 2016 279593356364.68933 2017 306527532488.18286 2018 325924723780.778 2019 315981529469.14154 2020 267833501944.66748 2021 313509201762.4822 2022 337877677468.27985 2023 361333752471.1006