Year current US$ 1977 39999.9991059303 1978 289999.99165535 1983 680000.007152557 1984 920000.016689301 1985 1039999.96185303 1986 629999.995231628 1987 949999.988079071 1988 300000.011920929 1989 209999.993443489 1990 219999.998807907 1991 209999.993443489 1992 119999.997317791 1993 79999.9982118607 1994 100000.00149011599 1995 90000.0035762787 1996 150000.005960464 1997 19999.9995529652 2001 9999.99977648258 2003 9999.99977648258 2004 9999.99977648258