Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-609000000
1995-01-01	-603000000
1996-01-01	-600000000
1997-01-01	-178000000
2004-01-01	-3408000000
2005-01-01	-3065000000
2006-01-01	-2725750000
2007-01-01	-4675150000
2008-01-01	-5900000000
2009-01-01	-2249000000
2010-01-01	-2664000000
2011-01-01	-7712000000
2012-01-01	-5422000000
2013-01-01	-3676000000