Year current US$ 1969 1710000.03814697 1970 1190000.0572204601 1971 310000.002384186 1972 -79999.9982118607 1973 -370000.00476837205 1974 219999.998807907 1975 170000.00178813902 1976 230000.004172325 1977 -159999.99642372102 1978 1149999.97615814 1979 370000.00476837205 1980 170000.00178813902 1981 810000.002384186 1982 119999.997317791 1983 270000.010728836 1984 699999.988079071 1985 970000.028610229 1986 810000.002384186 1987 1029999.97138977 1988 1259999.9904632599 1989 1179999.94754791 1990 1460000.03814697 1991 1809999.9427795399 1992 1679999.94754791 1993 1509999.9904632599 1994 1769999.98092651 1995 1769999.98092651 1996 1759999.9904632599 1997 779999.971389771 1998 300000.011920929 2000 59999.9986588955 2001 129999.995231628 2002 70000.0002980232 2003 19999.9995529652 2004 39999.9991059303 2005 19999.9995529652 2008 39999.9991059303 2009 19999.9995529652 2010 70000.0002980232 2015 29999.999329447703