Year current US$ 1961 7254173.209552133 1962 9067716.511940166 1963 10201181.076084603 1964 10881259.814328201 1965 11334645.640026486 1966 8725230.816503413 1967 10879714.766139943 1968 18139295.64465481 1969 25860791.6299026 1970 13352088.233747855 1971 14371954.9578693 1972 19994096.731073517 1973 33272279.57181253 1974 54147733.04321567 1975 50164302.297337264 1976 57910362.92055594 1977 51522364.31243237 1978 43949239.67072841 1979 48478532.405077085 1980 46056033.902889915 1981 63066701.28870338 1982 74429306.55639252 1983 89742366.23697107 1984 81312747.36130545 1985 80221673.44360122 1986 89041894.5734454 1987 99148051.78595673 1988 106504810.73222287 1989 100150238.07058315 1990 111713912.62638167 1991 115179186.05498292 1992 117317008.85072695 1993 112988619.8373042 1994 114991883.47157596 1995 131818757.31929356 1996 136521629.56477645 1997 133016121.54307054 1998 92213065.19780281 1999 92682394.70389998 2000 86337918.52809016 2001 84189304.37398832 2002 94036645.50826442 2003 117472022.20279056 2004 158371536.8989157 2005 177797405.873494 2006 213333358.15338793 2007 271958728.5763802 2008 297454347.0907816 2009 250920335.1671214 2010 288467244.52350694 2011 350429201.8240148 2012 509413158.24961233 2013 520487268.7382141 2014 552778924.7667024 2015 624748072.4142022 2016 585905479.1794202 2017 653990257.7544425 2018 693442645.925303 2019 679573014.8726796 2020 679090230.7653195 2021 690632227.476035 2022 477612222.8231477 2023 699212041.1