Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	1896000000
1995-01-01	-10386000000
1996-01-01	2841000000
1997-01-01	-1936000000
1998-01-01	5305000000
1999-01-01	-1778000000
2000-01-01	-16010000000
2001-01-01	-8212000000
2002-01-01	-11375000000
2003-01-01	-26365000000
2004-01-01	-45235000000
2005-01-01	-61461000000
2006-01-01	-107466000000
2007-01-01	-148928000000
2008-01-01	38925000000
2009-01-01	-3377000000
2010-01-01	-36751000000
2011-01-01	-12630000000