Year current US$ 1979 70000.0002980232 1981 310000.002384186 1982 70000.0002980232 1983 9999.99977648258 1991 109999.999403954 1992 159999.99642372102 1993 100000.00149011599 1994 90000.0035762787 1995 159999.99642372102 1996 90000.0035762787 1997 9999.99977648258 1998 9999.99977648258 2001 50000.0007450581