Year	US Dollars, Sum Over Component Sub-periods
1998-01-01	-6270000000.0000000
1999-01-01	5210000000.0000000
2000-01-01	1960000000.0000002
2001-01-01	34830000000.0000000
2002-01-01	32339999999.9999960
2003-01-01	54920000000.0000100
2004-01-01	108220000000.0000000
2005-01-01	91250000000.0000000
2006-01-01	45290000000.0000000
2007-01-01	91130000000.0000000
2008-01-01	37070000000.0000000
2009-01-01	194530000000.0000000
2010-01-01	282230000000.0000000
2011-01-01	260100000000.0000000
2012-01-01	-21000000000.0000000