Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	3559000000
1979-04-01	3977000000
1979-07-01	5061000000
1979-10-01	5488000000
1980-01-01	5483000000
1980-04-01	5750000000
1980-07-01	6044000000
1980-10-01	5679000000
1981-01-01	5606000000
1981-04-01	5565000000
1981-07-01	5610000000
1981-10-01	5309000000
1982-01-01	4804000000
1982-04-01	4872000000
1982-07-01	5072000000
1982-10-01	4647000000
1983-01-01	3825000000
1983-04-01	3652000000
1983-07-01	3908000000
1983-10-01	4045000000
1984-01-01	3155000000
1984-04-01	3407000000
1984-07-01	3731000000
1984-10-01	3623000000
1985-01-01	3094000000
1985-04-01	3016000000
1985-07-01	3132000000
1985-10-01	3911000000
1986-01-01	3353000000
1986-04-01	2760000000
1986-07-01	3661000000
1986-10-01	4271000000
1987-01-01	3565000000
1987-04-01	3611000000
1987-07-01	3987000000
1987-10-01	3888000000
1988-01-01	3516000000
1988-04-01	3349000000
1988-07-01	3776000000
1988-10-01	3963000000
1989-01-01	3680000000
1989-04-01	4113000000
1989-07-01	5379000000
1989-10-01	5091000000
1990-01-01	4576000000
1990-04-01	4266000000
1990-07-01	5474000000
1990-10-01	6345000000
1991-01-01	4330000000
1991-04-01	5034000000
1991-07-01	5614000000
1991-10-01	6062000000
1992-01-01	4631000000
1992-04-01	4725000000
1992-07-01	5222000000
1992-10-01	5976000000
1993-01-01	5231000000
1993-04-01	6007000000
1993-07-01	7329000000
1993-10-01	6690000000
1994-01-01	6048000000
1994-04-01	7276000000
1994-07-01	7931000000
1994-10-01	11824000000
1995-01-01	12018000000
1995-04-01	13657000000
1995-07-01	12152000000
1995-10-01	12145000000
1996-01-01	10751000000
1996-04-01	12491000000
1996-07-01	14217000000
1996-10-01	15887000000
1997-01-01	11489000000
1997-04-01	15464000000
1997-07-01	16588000000
1997-10-01	16206000000
1998-01-01	13745000000
1998-04-01	14064000000
1998-07-01	15269000000
1998-10-01	14636000000
1999-01-01	10861000000
1999-04-01	12206000000
1999-07-01	12731000000
1999-10-01	13412000000
2000-01-01	12067000000
2000-04-01	13300000000
2000-07-01	15356000000
2000-10-01	15061000000
2001-01-01	14467000000
2001-04-01	14527000000
2001-07-01	14115000000
2001-10-01	12463000000
2002-01-01	10863000000
2002-04-01	11603000000
2002-07-01	13200000000
2002-10-01	11575000000
2003-01-01	11240000000
2003-04-01	11364000000
2003-07-01	12396000000
2003-10-01	13290000000
2004-01-01	13324000000
2004-04-01	14996000000
2004-07-01	16906000000
2004-10-01	17609000000
2005-01-01	16151000000
2005-04-01	17877000000
2005-07-01	20068000000
2005-10-01	19509000000
2006-01-01	20130000000
2006-04-01	21394000000
2006-07-01	25218000000
2006-10-01	24609000000
2007-01-01	25275000000
2007-04-01	27355000000
2007-07-01	33025000000
2007-10-01	34962000000
2008-01-01	35929000000
2008-04-01	43414000000
2008-07-01	51860000000
2008-10-01	41904000000
2009-01-01	28189000000
2009-04-01	27854000000
2009-07-01	34572000000
2009-10-01	37090000000
2010-01-01	38349000000
2010-04-01	42958000000
2010-07-01	50937000000
2010-10-01	49524000000
2011-01-01	48091000000
2011-04-01	57260000000
2011-07-01	61587000000
2011-10-01	59309000000
2012-01-01	52661000000
2012-04-01	57494000000
2012-07-01	54745000000
2012-10-01	58284000000
2013-01-01	56018000000
2013-04-01	61537000000
2013-07-01	61792000000
2013-10-01	60400000000
2014-01-01	55671000000
2014-04-01	57377000000
2014-07-01	61311000000
2014-10-01	54701000000