Year	Dollars
1981-01-01	-566000000.00000000
1982-01-01	-5324000000.00000000
1983-01-01	-6338000000.00000000
1984-01-01	-1856000000.00000000
1985-01-01	-1923000000.00000000
1986-01-01	-3911000000.00000000
1987-01-01	-2098000000.00000000
1988-01-01	-1397000000.00000000
1989-01-01	-1108000000.00000000
1990-01-01	-2988000000.00000000
1991-01-01	-4260000000.00000000
1992-01-01	-2780000000.00000000
1993-01-01	-2106000000.00000000
1994-01-01	-2792000000.00000000
1995-01-01	-6431000000.00000000
1996-01-01	-7663000000.00000000
1997-01-01	-4889000000.00000000
1998-01-01	4096965770.22986980
1999-01-01	5782898397.49641040
2000-01-01	7992091763.19783020
2001-01-01	6900915637.80440040
2002-01-01	7823523644.12285040
2003-01-01	8106792055.95370960
2004-01-01	1563017799.54063010
2005-01-01	277554218.39084202
2006-01-01	10859492464.38130000
2007-01-01	10492590000.00000000
2008-01-01	125240090.03080900