Year current US$ 1960 5389999.8664856 1961 7340000.15258789 1962 5880000.11444092 1963 7320000.17166138 1964 10710000.038146999 1965 11670000.076293899 1966 9729999.54223633 1967 8789999.96185303 1968 16219999.3133545 1969 12399999.6185303 1970 13939999.5803833 1971 11739999.7711182 1972 16329999.923706101 1973 13960000.038146999 1974 19500000 1975 37630001.0681152 1976 29850000.3814697 1977 32349998.4741211 1978 50110000.6103516 1979 70440002.44140631 1980 86750000 1981 87889999.3896484 1982 122190002.441406 1983 146449996.94824198 1984 215089996.33789098 1985 237910003.66210902 1986 267500000 1987 251830001.831055 1988 293380004.88281304 1989 244600006.10351598 1990 411049987.792969 1991 299600006.10351604 1992 314640014.64843804 1993 288309997.558594 1994 255990005.493164 1995 374670013.42773396 1996 238729995.727539 1997 275519989.013672 1998 283500000 1999 757260009.765625 2000 399850006.10351604 2001 562250000 2002 382089996.33789104 2003 317260009.765625 2004 539570007.324219 2005 649359985.351563 2006 518229980.46875 2007 362980010.986328 2008 411000000 2009 369019989.013672 2010 470500000 2011 359250000 2012 566190002.441406 2013 625869995.117188 2014 606280029.296875 2015 540599975.585938 2016 412399993.89648396 2017 442230010.986328 2018 664940002.441406 2019 452200012.207031 2020 1183359985.35156 2021 617309997.558594 2022 785440002.441406