Year	US Dollars, Sum Over Component Sub-periods
1984-01-01	-63000000
1985-01-01	360000000
1986-01-01	-163000000
1987-01-01	-136000000
1988-01-01	-721000000
1989-01-01	-2472000000
1990-01-01	-896000000
1991-01-01	1199000000
1992-01-01	-1484000000
1993-01-01	-308000000
1994-01-01	-546000000
1995-01-01	-5005000000
1996-01-01	-4545000000
1997-01-01	-3316000000
1998-01-01	-216000000
1999-01-01	-5726000000
2000-01-01	-354000000
2001-01-01	2694000000
2002-01-01	-6153000000
2003-01-01	-4047000000
2004-01-01	-824000000
2005-01-01	-17847000000
2006-01-01	-6114000000
2007-01-01	-8032000000
2008-01-01	1057000000
2009-01-01	-111000000
2010-01-01	-12809000000
2011-01-01	1813000000
2012-01-01	-20814000000
2013-01-01	-9911000000