Quarter	US Dollars, sum over component sub-periods
1993-01-01	422236713.052049040
1993-04-01	1041077290.016510000
1993-07-01	940934216.930411000
1993-10-01	626798885.082900000
1994-01-01	693690080.903173000
1994-04-01	603786541.804866100
1994-07-01	231490767.604770000
1994-10-01	836987516.713872000
1995-01-01	1463037162.979780000
1995-04-01	1019008740.275660000
1995-07-01	2771816108.911690000
1995-10-01	2199355841.796550300
1996-01-01	-489891816.289642040
1996-04-01	-245851134.512146000
1996-07-01	-59578925.747339800
1996-10-01	-29645399.671427100
1997-01-01	-39277114.267474900
1997-04-01	-1081142453.577810000
1997-07-01	500066788.559020000
1997-10-01	-1136857893.512440000
1998-01-01	865556781.884891000
1998-04-01	345012170.779724000
1998-07-01	523048999.595472000
1998-10-01	157077346.689192030
1999-01-01	103856246.199094000
1999-04-01	124812243.452650000
1999-07-01	115414209.442719000
1999-10-01	1293527970.600250000
2000-01-01	495882321.944834000
2000-04-01	241574870.422912000
2000-07-01	-136936674.558568000
2000-10-01	238752506.737061980
2001-01-01	180001568.567516000
2001-04-01	329454719.346803000
2001-07-01	109241325.619673000
2001-10-01	1169793564.022820000
2002-01-01	385292285.934272000
2002-04-01	4839984056.334920000
2002-07-01	1213039427.410270000
2002-10-01	169486365.562999000
2003-01-01	417145412.694468000
2003-04-01	-91813937.242749600
2003-07-01	23052497.032269400
2003-10-01	92457702.389861600
2004-01-01	261352155.130357000
2004-04-01	-45198108.592858300
2004-07-01	23548642.235697300
2004-10-01	21471320.331233803
2005-01-01	141633360.148086000
2005-04-01	3497286032.168110000
2005-07-01	110131462.544648990
2005-10-01	131916515.285269000
2006-01-01	27932207.332990900
2006-04-01	-46382160.489691205
2006-07-01	112928863.268692000
2006-10-01	-2485135.391301080
2007-01-01	37959244.268049100
2007-04-01	-406612416.237392000
2007-07-01	258100204.608050000
2007-10-01	981186033.925009000
2008-01-01	1136674326.313580000
2008-04-01	1102309875.314770000
2008-07-01	89287058.271096990
2008-10-01	91757500.995391890
2009-01-01	1704109419.305920100
2009-04-01	307836216.330306000
2009-07-01	-37310940.923535496
2009-10-01	1089526646.553579800
2010-01-01	-364696921.197330000
2010-04-01	156412670.409706000
2010-07-01	3223295533.648850000
2010-10-01	-931543154.631817000
2011-01-01	-1504431590.348840000
2011-04-01	125797344.157729000
2011-07-01	-214322894.930511000
2011-10-01	593913913.040165000
2012-01-01	1708158402.514420000
2012-04-01	-1829346778.177300000
2012-07-01	415785491.403789040
2012-10-01	3898374039.507480000
2013-01-01	289982622.888826970
2013-04-01	-349852418.281394000
2013-07-01	352937418.060079000
2013-10-01	9307042880.021920000
2014-01-01	1252025799.843190000
2014-04-01	1637523948.239319800
2014-07-01	-692809967.411422000
2014-10-01	1342716283.529169800
2015-01-01	1550331738.090060000
2015-04-01	3277976440.726550000
2015-07-01	7122937373.608550000
2015-10-01	2370979256.578180000
2016-01-01	6147786390.798540000
2016-04-01	2923541788.612740000
2016-07-01	6972005219.332840000
2016-10-01	6935430154.535220000
2017-01-01	44098474418.287900000
2017-04-01	5126548260.532030000
2017-07-01	603348836.411796000
2017-10-01	-461661821.354487000
2018-01-01	-201505110.241650000
2018-04-01	825885289.772616000