Year current US$ 1970 119999.99918043659 1971 -290000.01214444643 1972 379999.99523162795 1973 3029999.9900162253 1974 740000.0188499686 1975 2440000.075846915 1976 1699999.9471008752 1977 529999.9900162221 1978 760000.0277161594 1979 -160000.00759959183 1980 619999.9731034037 1981 37890000.153332956 1982 19180000.15616418 1983 31509999.31246043 1984 4329999.95350838 1985 5109999.895095827 1986 1219999.9764561632 1987 1210000.0474602026 1988 200000.00298023198 1989 -3380000.1051276876 1990 74609999.66599046 1991 82050000.5353243 1992 105989999.95365737 1993 49119998.91512097 1994 53140001.41061841 1995 18360000.163316734 1996 69160000.26650728 1997 23039999.356493354 1998 21069999.990984797 1999 25000000.495463587 2000 28710000.146180443 2001 3630000.06601215 2002 -4419999.975711107 2003 7319999.873638141 2004 5090000.096708542 2005 -1529999.97138977 2006 -3890000.10490417 2007 -3190000.05722046 2008 -3589999.91416931 2009 -1720000.02861023 2010 -1610000.01430511 2011 280000.001192093