Year current US$ 1977 9999.99977648258 1980 119999.997317791 1981 90000.0035762787 1982 70000.0002980232 1983 70000.0002980232 1984 100000.00149011599 1985 109999.999403954 1986 59999.9986588955 1987 29999.999329447703 1988 9999.99977648258 1989 19999.9995529652 1990 19999.9995529652 1991 19999.9995529652 1992 19999.9995529652 1993 19999.9995529652 1994 79999.9982118607 1995 59999.9986588955 1996 19999.9995529652 1998 9999.99977648258 2002 50000.0007450581 2003 59999.9986588955