Year current US$ 1969 19999.9995529652 1971 9999.99977648258 1972 9999.99977648258 1974 9999.99977648258 1985 9999.99977648258 1986 50000.0007450581 1987 29999.999329447703 1988 50000.0007450581 1989 50000.0007450581 1990 29999.999329447703 1991 9999.99977648258 1992 19999.9995529652 1993 39999.9991059303 1994 9999.99977648258 1995 50000.0007450581 1996 19999.9995529652 1997 19999.9995529652 1998 9999.99977648258 1999 39999.9991059303 2000 9999.99977648258 2001 59999.9986588955 2002 9999.99977648258 2003 9999.99977648258 2004 29999.999329447703