Quarter	US Dollars, Sum Over Component Sub-periods
2002-01-01	-4453280000
2002-04-01	-4390240000
2002-07-01	-317730000
2002-10-01	-2827320000
2003-01-01	-3520080000
2003-04-01	-6325780000
2003-07-01	-1559030000
2003-10-01	-416470000
2004-01-01	-1495180000
2004-04-01	-6775890000
2004-07-01	-141830000
2004-10-01	-1905540000
2005-01-01	-670950000
2005-04-01	-10382720000
2005-07-01	2520710000
2005-10-01	-1577090000
2006-01-01	1321980000
2006-04-01	-7375400000
2006-07-01	2111920000
2006-10-01	-4140590000
2007-01-01	-2752030000
2007-04-01	-11038070000
2007-07-01	1401000000
2007-10-01	3025660000
2008-01-01	-374550000
2008-04-01	-9958120000
2008-07-01	12717340000
2008-10-01	6418450000
2009-01-01	3639060000
2009-04-01	-1946040000
2009-07-01	4594520000
2009-10-01	-50210000
2010-01-01	2886540000
2010-04-01	-10629290000
2010-07-01	-1549520000
2010-10-01	-346120000
2011-01-01	3706550000
2011-04-01	-7013700000
2011-07-01	6901680000
2011-10-01	3036880000
2012-01-01	1303540000
2012-04-01	-4471570000
2012-07-01	5368280000
2012-10-01	6112650000
2013-01-01	5405970000
2013-04-01	-2039990000
2013-07-01	3563190000
2013-10-01	2720000
2014-01-01	2662870000