Year current US$ 1960 150000.005960464 1961 280000.001192093 1962 409999.99642372096 1963 509999.99046325695 1964 639999.985694885 1965 579999.983310699 1966 2130000.1144409203 1967 1970000.02861023 1968 2200000.04768372 1969 2880000.1144409203 1970 2880000.1144409203 1971 3230000.01907349 1972 5610000.1335144 1973 6909999.84741211 1974 6630000.11444092 1975 8399999.61853027 1976 9970000.26702881 1977 8880000.11444092 1978 14460000.038146999 1979 14140000.3433228 1980 20149999.6185303 1981 9250000 1982 7559999.94277954 1983 8869999.88555908 1984 9529999.73297119 1985 6550000.19073486 1986 6309999.94277954 1987 7719999.79019165 1988 8810000.4196167 1989 8729999.54223633 1990 7670000.07629395 1991 8600000.38146973 1992 8810000.4196167 1993 5570000.17166138 1994 3779999.97138977 1995 2359999.89509583 2006 39999.9991059303 2007 39999.9991059303 2008 90000.0035762787 2009 100000.00149011599 2010 90000.0035762787 2011 109999.999403954 2012 29999.999329447703 2013 90000.0035762787 2014 19999.9995529652 2015 3740000.00953674 2016 1299999.95231628 2017 70000.0002980232 2018 9999.99977648258 2019 1850000.02384186 2020 90000.0035762787 2021 949999.988079071 2022 -59999.9986588955