Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	-2638000000
1996-01-01	-3379000000
1997-01-01	-3961000000
1998-01-01	-4032000000
1999-01-01	-5122000000
2000-01-01	-8314000000
2001-01-01	-5514000000
2002-01-01	-4572000000
2003-01-01	-4749000000
2004-01-01	-4061000000
2005-01-01	-1411000000
2006-01-01	-857000000
2007-01-01	-168000000
2008-01-01	-4019000000
2009-01-01	-5227000000
2010-01-01	-5163000000
2011-01-01	-3590000000
2012-01-01	-6446000000
2013-01-01	-6305000000
2014-01-01	-4832000000