Year current US$ 1969 59999.9986588955 1970 50000.0007450581 1971 19999.9995529652 1972 9999.99977648258 1973 9999.99977648258 1974 9999.99977648258 1975 9999.99977648258 1976 39999.9991059303 1977 9999.99977648258 1978 59999.9986588955 1979 70000.0002980232 1980 39999.9991059303 1981 39999.9991059303 1982 50000.0007450581 1983 140000.000596046 1984 9999.99977648258 1985 180000.00715255702 1986 39999.9991059303 1987 150000.005960464 1988 59999.9986588955 1989 140000.000596046 1990 209999.993443489 1991 259999.990463257 1992 100000.00149011599 1993 119999.997317791 1994 150000.005960464 1995 129999.995231628 1996 50000.0007450581 1997 100000.00149011599 1998 189999.99761581398 1999 300000.011920929 2000 109999.999403954 2001 209999.993443489 2002 259999.990463257 2003 230000.004172325 2004 360000.01430511504