Year current US$ 1979 150000.005960464 1980 300000.011920929 1981 19999.9995529652 1982 219999.998807907 1983 50000.0007450581 1984 140000.000596046 1985 200000.00298023198 1986 219999.998807907 1987 39999.9991059303 1988 9999.99977648258 1989 9999.99977648258 1990 9999.99977648258 1991 129999.995231628 1992 219999.998807907 1993 140000.000596046 1994 170000.00178813902 1995 230000.004172325 1997 150000.005960464 1998 209999.993443489 2001 9999.99977648258 2002 9999.99977648258 2004 9999.99977648258