Year current US$ 1973 19999.9995529652 1975 29999.999329447703 1977 400000.00596046395 1978 379999.99523162795 1979 810000.002384186 1980 129999.995231628 1981 150000.005960464 1982 569999.992847443 1983 239999.994635582 1984 430000.00715255697 1985 649999.976158142 1986 1460000.03814697 1987 79999.9982118607 1988 -430000.00715255697 1989 319999.99284744303 1990 400000.00596046395 1991 819999.992847443 1992 1190000.0572204601 1993 5659999.84741211 1994 1950000.04768372 1995 180000.00715255702 1996 5679999.82833862 1997 5710000.03814697 1998 17360000.6103516 1999 -959999.978542328 2000 1850000.02384186 2001 -2190000.05722046 2002 1870000.00476837 2003 19069999.6948242 2004 27670000.0762939 2005 -7099999.90463257 2006 -4239999.771118159 2007 6090000.15258789 2008 5289999.96185303 2009 7769999.98092651 2010 12350000.3814697