Year current US$ 1960 11059995.57600177 1961 13019994.792002084 1962 15959993.616002554 1963 20999991.60000336 1964 23939990.424003832 1965 23239990.70400372 1966 27439989.024004392 1967 20579991.768003292 1968 18479992.608002957 1969 30659987.736004908 1970 33739986.5040054 1971 45720389.755836345 1972 52684640.15089922 1973 66286336.80087729 1974 73291664.02983472 1975 71669272.0024665 1976 70150017.53750437 1977 79350019.83750495 1978 106950026.73750669 1979 117605131.86029936 1980 105778509.92637712 1981 110075560.14900084 1982 88228576.48072971 1983 77371869.67058612 1984 87915693.12068173 1985 61022805.02989444 1986 85206684.19523227 1987 82808088.08108708 1988 95580848.28992535 1989 90937618.31899239 1990 98889932.86878589 1991 113670479.4635889 1992 99179036.28804065 1993 120382820.92037866 1994 162098773.28983513 1995 171249309.01812336 1996 192075590.97900635 1997 186616122.2683694 1998 173844180.21939537 1999 172106187.69113725 2000 214063215.9759579 2001 186627731.12172005 2002 179064149.817845 2003 272178363.0891124 2004 267575391.66511858 2005 348694767.7490452 2006 368109453.24326825 2007 373103338.15210426 2008 329390442.55311835 2009 331203407.16435397 2010 450810424.8170592 2011 468544932.1125136 2012 498591249.2483224 2013 465079746.81866163 2014 408429558.62601745 2015 380088653.1777849 2016 341910088.5808605 2017 371071766.17102045 2018 397926752.81908745 2019 383996244.3404066 2020 323295405.97304624 2021 392936113.9681001 2022 411354106.26988906 2023 372001928.7890754