Year	US Dollars, Sum Over Component Sub-periods
1992-01-01	-95000000
1993-01-01	-1434000000
1994-01-01	-1840000000
1995-01-01	-6911000000
1996-01-01	-6763000000
1997-01-01	-5130000000
1998-01-01	-3499000000
1999-01-01	-3537000000
2000-01-01	-1410000000
2001-01-01	-1569000000
2002-01-01	5534000000
2003-01-01	4275000000
2004-01-01	6402000000
2005-01-01	6599000000
2006-01-01	9110000000
2007-01-01	13168000000
2008-01-01	20113000000
2009-01-01	10401000000
2010-01-01	12900000000
2011-01-01	6815000000
2012-01-01	7181000000
2013-01-01	11215000000