Quarter	US Dollars, Sum Over Component Sub-periods
1998-01-01	1830999999.9999998
1998-04-01	9640000000.0000000
1998-07-01	6738000000.0000000
1998-10-01	4018000000.0000000
1999-01-01	5216000000.0000000
1999-04-01	5555000000.0000000
1999-07-01	5484000000.0000000
1999-10-01	6545999999.9999990
2000-01-01	4864000000.0000000
2000-04-01	8234000000.0000000
2000-07-01	7059999999.9999990
2000-10-01	7058000000.0000000
2001-01-01	3832000000.0000000
2001-04-01	9715000000.0000000
2001-07-01	6856999999.9999990
2001-10-01	8158000000.0000000
2002-01-01	3561999999.9999995
2002-04-01	9280000000.0000000
2002-07-01	6902000000.0000000
2002-10-01	3544000000.0000000
2003-01-01	4837000000.0000000
2003-04-01	6176000000.0000000
2003-07-01	7084999999.9999990
2003-10-01	8215000000.0000010
2004-01-01	2583000000.0000000
2004-04-01	9296000000.0000000
2004-07-01	7355000000.0000000
2004-10-01	6455000000.0000000
2005-01-01	9725000000.0000000
2005-04-01	14350000000.0000000
2005-07-01	14378000000.0000000
2005-10-01	16934000000.0000000
2006-01-01	10963000000.0000000
2006-04-01	18453000000.0000000
2006-07-01	14294000000.0000000
2006-10-01	15996000000.0000000
2007-01-01	11811000000.0000000
2007-04-01	17484000000.0000000
2007-07-01	17165000000.0000000
2007-10-01	28972000000.0000040
2008-01-01	12776000000.0000000
2008-04-01	20441000000.0000000
2008-07-01	23705000000.0000000
2008-10-01	26285000000.0000040
2009-01-01	24260000000.0000000
2009-04-01	32360000000.0000040
2009-07-01	33764999999.9999960
2009-10-01	26398000000.0000000
2010-01-01	34686000000.0000000
2010-04-01	46689000000.0000000
2010-07-01	45043000000.0000000
2010-10-01	41906000000.0000000
2011-01-01	52400000000.0000000
2011-04-01	54000000000.0000000
2011-07-01	54400000000.0000000
2011-10-01	53800000000.0000000
2012-01-01	42300000000.0000000
2012-04-01	46200000000.0000000
2012-07-01	49500000000.0000000
2012-10-01	64600000000.0000000
2013-01-01	45100000000.0000000
2013-04-01	54200000000.0000000