Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-30000000
1995-01-01	-40000000
1996-01-01	-50000000
1997-01-01	-50000000
1998-01-01	-320000000
1999-01-01	-30000000
2000-01-01	-16000000
2001-01-01	90000000
2002-01-01	-230000000
2003-01-01	-305000000
2004-01-01	-955000000
2005-01-01	-3392000000
2006-01-01	-9168000000
2007-01-01	-5664000000
2008-01-01	-4613000000
2009-01-01	-4562000000
2010-01-01	-7484000000
2011-01-01	-8243000000
2012-01-01	-755000000
2013-01-01	4867000000