Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	37373000000
1995-04-01	38879000000
1995-07-01	34280000000
1995-10-01	38276000000
1996-01-01	39087000000
1996-04-01	37640000000
1996-07-01	35166000000
1996-10-01	38144000000
1997-01-01	36905000000
1997-04-01	37330000000
1997-07-01	32574000000
1997-10-01	37380000000
1998-01-01	36290000000
1998-04-01	37267000000
1998-07-01	35632000000
1998-10-01	39249000000
1999-01-01	36916000000
1999-04-01	36105000000
1999-07-01	35075000000
1999-10-01	39663000000
2000-01-01	40480000000
2000-04-01	38679000000
2000-07-01	36504000000
2000-10-01	40297000000
2001-01-01	42642000000
2001-04-01	38982000000
2001-07-01	35225000000
2001-10-01	37212000000
2002-01-01	33741000000
2002-04-01	36253000000
2002-07-01	35879000000
2002-10-01	40221000000
2003-01-01	43201000000
2003-04-01	43822000000
2003-07-01	41008000000
2003-10-01	47942000000
2004-01-01	51746000000
2004-04-01	51324000000
2004-07-01	50248000000
2004-10-01	58351000000
2005-01-01	60141000000
2005-04-01	59937000000
2005-07-01	55604000000
2005-10-01	60730000000
2006-01-01	64394000000
2006-04-01	64668000000
2006-07-01	61643000000
2006-10-01	66943000000
2007-01-01	70365000000
2007-04-01	72369000000
2007-07-01	71730000000
2007-10-01	83356000000
2008-01-01	88104000000
2008-04-01	95985000000
2008-07-01	89714000000
2008-10-01	70845000000
2009-01-01	59323000000
2009-04-01	64126000000
2009-07-01	63335000000
2009-10-01	73635000000
2010-01-01	70045000000
2010-04-01	68072000000
2010-07-01	67499000000
2010-10-01	78721000000
2011-01-01	87062000000
2011-04-01	91467000000
2011-07-01	85732000000
2011-10-01	83507000000
2012-01-01	86430000000
2012-04-01	81436000000
2012-07-01	75196000000
2012-10-01	83002000000
2013-01-01	87010000000
2013-04-01	83946000000
2013-07-01	80690000000
2013-10-01	88242000000
2014-01-01	89479000000