Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	2289000000
1994-04-01	493000000
1994-07-01	377000000
1994-10-01	341000000
1995-01-01	2574000000
1995-04-01	629000000
1995-07-01	449000000
1995-10-01	625000000
1996-01-01	2618000000
1996-04-01	733000000
1996-07-01	481000000
1996-10-01	501000000
1997-01-01	2467000000
1997-04-01	681000000
1997-07-01	630000000
1997-10-01	589000000
1998-01-01	2478000000
1998-04-01	835000000
1998-07-01	584000000
1998-10-01	404000000
1999-01-01	2277000000
1999-04-01	721000000
1999-07-01	420000000
1999-10-01	463000000
2000-01-01	2510000000
2000-04-01	718000000
2000-07-01	713000000
2000-10-01	812000000
2001-01-01	2874000000
2001-04-01	1216000000
2001-07-01	1183000000
2001-10-01	1526000000
2002-01-01	2421000000
2002-04-01	991000000
2002-07-01	1156000000
2002-10-01	1109000000
2003-01-01	4552000000
2003-04-01	2037000000
2003-07-01	2526000000
2003-10-01	1942000000
2004-01-01	5251000000
2004-04-01	-41000000
2004-07-01	2952000000
2004-10-01	3836000000
2005-01-01	5365000000
2005-04-01	4490000000
2005-07-01	2927000000
2005-10-01	4693000000
2006-01-01	6857000000
2006-04-01	4816000000
2006-07-01	10242000000
2006-10-01	7842000000
2007-01-01	11020000000
2007-04-01	10896000000
2007-07-01	11991000000
2007-10-01	13490000000
2008-01-01	17021000000
2008-04-01	16375000000
2008-07-01	15805000000
2008-10-01	12577000000
2009-01-01	8885000000
2009-04-01	7920000000
2009-07-01	8129000000
2009-10-01	8250000000
2010-01-01	9332000000
2010-04-01	9358000000
2010-07-01	9579000000
2010-10-01	9092000000
2011-01-01	12665000000
2011-04-01	10028000000
2011-07-01	10202000000
2011-10-01	9481000000
2012-01-01	12935000000
2012-04-01	10958000000