Year current US$ 1960 59999.9986588955 1961 79999.9982118607 1962 109999.999403954 1963 109999.999403954 1964 109999.999403954 1965 150000.005960464 1966 699999.988079071 1967 850000.023841858 1968 1480000.01907349 1969 1190000.0572204601 1970 1070000.05245209 1971 750000 1972 349999.99403953605 1973 319999.99284744303 1974 319999.99284744303 1975 209999.993443489 1976 250000 1977 250000 1978 899999.976158142 1979 5289999.96185303 1980 8000000 1981 6389999.8664856 1982 8130000.11444092 1983 9899999.61853027 1984 17059999.4659424 1985 14069999.6948242 1986 17159999.8474121 1987 26270000.4577637 1988 29159999.8474121 1989 24040000.915527303 1990 26649999.6185303 1991 27370000.8392334 1992 21030000.6866455 1993 16489999.7711182 1994 14170000.076293899 1995 14510000.2288818 1996 10729999.5422363 1997 9850000.38146973 1998 5550000.19073486 1999 4119999.88555908 2000 2119999.8855590797 2001 2640000.10490417 2002 1649999.97615814 2003 3079999.92370605 2004 3960000.03814697 2005 7780000.20980835 2006 2549999.95231628 2007 5179999.82833862 2008 1149999.97615814 2009 2829999.92370605 2010 -629999.995231628 2011 2150000.09536743 2012 -589999.973773956 2013 280000.001192093 2014 -109999.999403954 2015 0 2016 -159999.99642372102 2017 140000.000596046 2018 19999.9995529652 2019 370000.00476837205 2020 680000.007152557 2021 50000.0007450581 2022 469999.998807907