Year current US$ 1965 942114460.4630843 1966 1040146773.1491474 1967 1080053073.8611233 1968 1314018691.5887852 1969 1560774818.4019372 1970 1793268023.1097715 1971 2094873756.6947207 1972 2394260599.7931747 1973 2462102071.753411 1974 2321421151.0492415 1975 2946295484.4366508 1976 3120953326.7130094 1977 2976319943.8694963 1978 2790479078.22923 1979 2920142857.1428576 1980 3395569575 1981 3838243243.243243 1982 4413916256.157635 1983 4889406286.379511 1984 5267684368.952913 1985 5967961470.003141 1986 6080449017.773621 1987 5813040062.843677 1988 4883589153.889835 1989 5008260894.258571 1990 4890085240.017945 1991 4154204054.503157 1992 4363133030.421569 1993 4801920768.307323 1994 5338078291.814947 1995 6340312592.155706 1996 7016509433.962264 1997 8879056047.19764 1998 9592680047.225502 1999 10527867885.579475 2000 11184500220.167328 2001 10943396226.415094 2002 10719101123.595505 2003 10173076923.076923 2004 10048701298.701298 2005 11414309484.193012 2006 13200000000 2007 14781085814.360771 2008 17727272727.272728 2009 21470054446.46098 2010 24446460980.036297 2011 27022375215.1463 2012 31200000000 2013 32744186046.511627 2014 36212338593.974174 2015 38733153638.81402 2016 37987730061.34969 2017 23790760869.565216 2018 20855374226.223972 2019 23217539863.32574 2020 28939488459.13911 2021 32096876991.71447 2022 34650455927.051674 2023 26877467772.552162