Year current US$ 1961 19999.9995529652 1962 9999.99977648258 1963 29999.999329447703 1964 29999.999329447703 1965 29999.999329447703 1966 39999.9991059303 1967 39999.9991059303 1968 19999.9995529652 1969 19999.9995529652 1970 39999.9991059303 1971 50000.0007450581 1972 39999.9991059303 1973 90000.0035762787 1974 119999.997317791 1975 250000 1976 340000.00357627904 1977 2009999.9904632599 1978 23170000.0762939 1979 21540000.915527303 1980 10920000.076293899 1981 7570000.17166138 1982 9920000.07629395 1983 25510000.2288818 1984 28780000.6866455 1985 25819999.6948242 1986 32720001.220703095 1987 77699996.9482422 1988 59569999.6948242 1989 41799999.237060495 1990 38939998.626709 1991 51020000.4577637 1992 27440000.5340576 1993 15220000.2670288 1994 20600000.3814697 1995 21190000.5340576 1996 18639999.3896484 1997 469999.998807907 1998 170000.00178813902 1999 600000.023841858 2000 670000.016689301 2001 689999.997615814 2002 1169999.95708466 2003 1470000.02861023 2004 1549999.95231628 2005 2109999.89509583 2006 42720001.220703095 2007 51580001.8310547 2008 109639999.38964799 2009 111029998.77929701 2010 119080001.831055 2011 97260002.1362305 2012 94599998.4741211 2013 76309997.55859381 2014 52509998.3215332 2015 40819999.6948242 2016 36819999.6948242 2017 23680000.3051758 2018 29649999.6185303 2019 28129999.1607666 2020 16860000.6103516 2021 48939998.626709 2022 13470000.2670288