Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	2418291445.9596500
1990-04-01	1242310321.2576900
1990-07-01	2273344701.0202000
1990-10-01	1643658697.5863200
1991-01-01	88235294.1176471
1991-04-01	961482684.6104760
1991-07-01	2695087126.2894100
1991-10-01	-871939404.6151140
1992-01-01	1669450026.8900900
1992-04-01	891586437.8401010
1992-07-01	1961986681.4650400
1992-10-01	253552374.4123400
1993-01-01	1336978919.0046000
1993-04-01	1752250006.5597900
1993-07-01	382649148.8165230
1993-10-01	1276676062.0092600
1994-01-01	2604839511.0802000
1994-04-01	1455615308.5586100
1994-07-01	1651028246.3902000
1994-10-01	2510292075.7107000
1995-01-01	847393364.9289100
1995-04-01	1582363092.7784900
1995-07-01	2532333415.2938300
1995-10-01	4356182564.4554800
1996-01-01	2178273251.7099500
1996-04-01	2533828342.5333400
1996-07-01	2510521322.4025100
1996-10-01	2409802082.8192100
1997-01-01	2048012554.8662400
1997-04-01	2832379670.1447300
1997-07-01	4527361986.8123400
1997-10-01	2112036336.1090100
1998-01-01	6337821468.5054100
1998-04-01	3769090783.4419800
1998-07-01	6372242525.6483600
1998-10-01	6262916684.6815700
1999-01-01	3510532701.0036400
1999-04-01	6622539035.9809900
1999-07-01	8971258049.3167900
1999-10-01	5688249943.4005000
2000-01-01	6481222326.7338100
2000-04-01	20290778863.9128000
2000-07-01	7317961984.0287900
2000-10-01	32056105394.2453000
2001-01-01	6423663372.8159200
2001-04-01	12049440923.9354000
2001-07-01	3982524271.8446600
2001-10-01	5258025707.5919700
2002-01-01	10876921468.1585000
2002-04-01	5816602316.6023200
2002-07-01	1415317678.6742600
2002-10-01	3939638510.7151200
2003-01-01	3865965718.3247900
2003-04-01	3679954197.3806600
2003-07-01	-809008312.3912620
2003-10-01	473548190.9394950
2004-01-01	4271510612.9987100
2004-04-01	-4839445602.8455800
2004-07-01	6532911844.1849800
2004-10-01	-6696801682.4625100
2005-01-01	4050460835.7575900
2005-04-01	3154551302.6696700
2005-07-01	10496925378.0954000
2005-10-01	8187936616.1185900
2006-01-01	11961367442.3976000
2006-04-01	4930652490.2735300
2006-07-01	21889288581.0268000
2006-10-01	21515098314.6067000
2007-01-01	18022362581.0857000
2007-04-01	20750606796.1165000
2007-07-01	29486288265.3061000
2007-10-01	51685851074.6664000
2008-01-01	20272986599.4427000
2008-04-01	8535241927.5042100
2008-07-01	21889428918.5905000
2008-10-01	11434581752.1861000
2009-01-01	1019698105.1279300
2009-04-01	167085570.6614870
2009-07-01	14391614765.3046000
2009-10-01	8233307024.4672500
2010-01-01	11188867181.2446000
2010-04-01	9845969258.7067900
2010-07-01	-6439432824.3295300
2010-10-01	13997236478.4840000
2011-01-01	12203217955.6517000
2011-04-01	18433959014.9819000
2011-07-01	8249923451.1618400
2011-10-01	1267151191.2133800
2012-01-01	16481617157.3198000
2012-04-01	5044712093.7139100
2012-07-01	8155320289.4666300
2012-10-01	13404641775.9839000
2013-01-01	21370501338.4448000
2013-04-01	20147212089.6300000
2013-07-01	12398587933.2478000
2013-10-01	13645370252.7626000
