Year current US$ 1969 7690000.05722046 1970 7909999.84741211 1971 8970000.26702881 1972 22370000.8392334 1973 26819999.6948242 1974 37040000.9155273 1975 68629997.253418 1976 92870002.746582 1977 103759994.506836 1978 123260002.13623 1979 250309997.55859402 1980 464449981.689453 1981 436779998.779297 1982 365950012.207031 1983 355549987.792969 1984 396600006.10351604 1985 418040008.544922 1986 386779998.779297 1987 397580017.089844 1988 476580017.089844 1989 489470001.220703 1990 468109985.35156304 1991 790260009.765625 1992 1043920043.94531 1993 1266020019.53125 1994 1058900024.41406 1995 898590026.855469 1996 297950012.207031 1997 282510009.765625 1998 252220001.220703 1999 268609985.35156304 2000 513729980.46875 2001 567770019.53125 2002 653380004.882813 2003 552659973.144531 2004 366019989.013672 2005 224350006.10351598 2006 184070007.32421902 2007 257309997.558594 2008 277700012.207031 2009 299380004.88281304 2010 391339996.33789104 2011 438390014.64843804 2012 420873596.191406 2013 417428100.58593804 2014 480081878.66210896 2015 457315216.064453 2016 499819000.24414104 2017 518199584.960938 2018 477078735.35156304 2019 667981262.207031 2020 622845947.265625 2021 594396362.304688 2022 294097200.1552581