Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-1840000000
1995-01-01	-3372000000
1996-01-01	-5434000000
1997-01-01	-8692000000
1998-01-01	-11790000000
1999-01-01	-7716000000
2000-01-01	-6736000000
2001-01-01	-4238000000
2002-01-01	-6583000000
2003-01-01	-13171000000
2004-01-01	-12771000000
2005-01-01	-18949000000
2006-01-01	-29432000000
2007-01-01	-30752000000
2008-01-01	-49158000000
2009-01-01	-40283000000
2010-01-01	-48615000000
2011-01-01	-60208000000