Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	1453000000
1979-04-01	1724000000
1979-07-01	1788000000
1979-10-01	1879000000
1980-01-01	1881000000
1980-04-01	2172000000
1980-07-01	2088000000
1980-10-01	2286000000
1981-01-01	2237000000
1981-04-01	2908000000
1981-07-01	3117000000
1981-10-01	3395000000
1982-01-01	3267000000
1982-04-01	3727000000
1982-07-01	3946000000
1982-10-01	4094000000
1983-01-01	3189000000
1983-04-01	3086000000
1983-07-01	2494000000
1983-10-01	2994000000
1984-01-01	2747000000
1984-04-01	3460000000
1984-07-01	2937000000
1984-10-01	3610000000
1985-01-01	3384000000
1985-04-01	3324000000
1985-07-01	2933000000
1985-10-01	3309000000
1986-01-01	3024000000
1986-04-01	3072000000
1986-07-01	3044000000
1986-10-01	2978000000
1987-01-01	2628000000
1987-04-01	2814000000
1987-07-01	2677000000
1987-10-01	2866000000
1988-01-01	3269000000
1988-04-01	2889000000
1988-07-01	3212000000
1988-10-01	3600000000
1989-01-01	3058000000
1989-04-01	3993000000
1989-07-01	4249000000
1989-10-01	2677000000
1990-01-01	4408000000
1990-04-01	1797000000
1990-07-01	3202000000
1990-10-01	3524000000
1991-01-01	3127000000
1991-04-01	2366000000
1991-07-01	2860000000
1991-10-01	2294000000
1992-01-01	2704000000
1992-04-01	1508000000
1992-07-01	3408000000
1992-10-01	1648000000
1993-01-01	3888000000
1993-04-01	2328000000
1993-07-01	2165000000
1993-10-01	3258000000
1994-01-01	2429000000
1994-04-01	2795000000
1994-07-01	2161000000
1994-10-01	3911000000
1995-01-01	3368000000
1995-04-01	4559000000
1995-07-01	2463000000
1995-10-01	4037000000
1996-01-01	3285000000
1996-04-01	4462000000
1996-07-01	3713000000
1996-10-01	5444000000
1997-01-01	3419000000
1997-04-01	5822000000
1997-07-01	4337000000
1997-10-01	6457000000
1998-01-01	3568000000
1998-04-01	6620000000
1998-07-01	5567000000
1998-10-01	7032000000
1999-01-01	4690000000
1999-04-01	6767000000
1999-07-01	4158000000
1999-10-01	7167000000
2000-01-01	4094000000
2000-04-01	7089000000
2000-07-01	3990000000
2000-10-01	6334000000
2001-01-01	5350000000
2001-04-01	6497000000
2001-07-01	4592000000
2001-10-01	6583000000
2002-01-01	4435000000
2002-04-01	6233000000
2002-07-01	4663000000
2002-10-01	6155000000
2003-01-01	4418000000
2003-04-01	5957000000
2003-07-01	4445000000
2003-10-01	7071000000
2004-01-01	5352000000
2004-04-01	6555000000
2004-07-01	4854000000
2004-10-01	6959000000
2005-01-01	6060000000
2005-04-01	8076000000
2005-07-01	6755000000
2005-10-01	8270000000
2006-01-01	8252000000
2006-04-01	9970000000
2006-07-01	6886000000
2006-10-01	8833000000
2007-01-01	8738000000
2007-04-01	10352000000
2007-07-01	9763000000
2007-10-01	11931000000
2008-01-01	13620000000
2008-04-01	14626000000
2008-07-01	13118000000
2008-10-01	11709000000
2009-01-01	8386000000
2009-04-01	10938000000
2009-07-01	9679000000
2009-10-01	13507000000
2010-01-01	9211000000
2010-04-01	13644000000
2010-07-01	10308000000
2010-10-01	13729000000
2011-01-01	13703000000
2011-04-01	14633000000
2011-07-01	13801000000
2011-10-01	15936000000
2012-01-01	8813000000
2012-04-01	12765000000
2012-07-01	10084000000
2012-10-01	14673000000
2013-01-01	11509000000
2013-04-01	11727000000
2013-07-01	11685000000
2013-10-01	14928000000
2014-01-01	10830000000
2014-04-01	11588000000
2014-07-01	10424000000
2014-10-01	13809000000