Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-575000000
1995-01-01	-1646000000
1996-01-01	-7287000000
1997-01-01	-9822000000
1998-01-01	-12836000000
1999-01-01	-15072000000
2000-01-01	-12307000000
2001-01-01	-7661000000
2002-01-01	-7249000000
2003-01-01	-5725000000
2004-01-01	-5961000000
2005-01-01	-3095000000
2006-01-01	-7372000000
2007-01-01	-19066000000
2008-01-01	-30659000000
2009-01-01	-7617000000
2010-01-01	-11810000000
2011-01-01	-14042000000
2012-01-01	-6698000000
2013-01-01	3042000000