Year current US$ 1960 244999902.09803912 1961 251999899.3008401 1962 263199894.8253221 1963 296799881.3987671 1964 303799878.6015681 1965 319199872.44773066 1966 370999851.74845886 1967 418599832.7275067 1968 457799817.0631932 1969 494199802.517759 1970 573999770.6296918 1971 691997769.8997334 1972 735934789.55074 1973 982867257.373897 1974 1240249787.5868168 1975 1479952837.003085 1976 1276499998.8899999 1977 1414499998.77 1978 1670949998.5470002 1979 2024360387.6809225 1980 2483116310.467182 1981 2607778957.572939 1982 2321223337.666983 1983 2287983815.0721273 1984 2121405740.178177 1985 1730778986.9872565 1986 1868122129.3780088 1987 2288918143.056487 1988 2355672814.3353744 1989 2823566302.878408 1990 3317478095.898414 1991 3052249723.479356 1992 3212175980.439712 1993 3121751154.1519194 1994 3556859856.225936 1995 4414444663.390884 1996 4847899399.125137 1997 5210350779.450153 1998 5212938759.588478 1999 5040629388.382709 2000 4888097169.477089 2001 4727833272.556507 2002 4988050521.784174 2003 8479844418.500672 2004 9960925961.494848 2005 11569926816.981855 2006 12539848375.48303 2007 14303802088.265205 2008 13398788706.379684 2009 12611104376.280386 2010 15806850396.672655 2011 17084414250.854918 2012 17455008001.016212 2013 16705171741.633123 2014 16818651473.820745 2015 15167419678.02391 2016 14577758701.840208 2017 16148055263.101967 2018 16712262418.500227 2019 15552543224.64439 2020 8402748875.064788 2021 8875461068.979567 2022 12383403343.5626 2023 13920296683.116886