Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	2410000000
1995-01-01	-347000000
1996-01-01	-463000000
1997-01-01	-797000000
1998-01-01	-382000000
1999-01-01	-328000000
2000-01-01	10955000000
2001-01-01	-9356000000
2002-01-01	-12388000000
2003-01-01	-993000000
2004-01-01	-1624000000
2005-01-01	-12764000000
2006-01-01	191000000
2007-01-01	-10224000000
2008-01-01	496000000
2009-01-01	-11869000000
2010-01-01	73000000
2011-01-01	-120000000