Year current US$ 1971 9999.99977648258 1973 9999.99977648258 1974 9999.99977648258 1975 9999.99977648258 1976 9999.99977648258 1977 9999.99977648258 1978 19999.9995529652 1979 19999.9995529652 1981 19999.9995529652 1983 9999.99977648258 1984 19999.9995529652 1985 50000.0007450581 1989 39999.9991059303 1990 9999.99977648258 1991 50000.0007450581 1992 50000.0007450581 1993 90000.0035762787 1995 109999.999403954 1997 29999.999329447703 1999 39999.9991059303 2001 29999.999329447703 2002 9999.99977648258 2004 29999.999329447703