Quarter	US Dollars, Sum Over Component Sub-periods
1997-01-01	15650849766.2266000
1997-04-01	10632711705.2443000
1997-07-01	10482899420.8949000
1997-10-01	18666554947.1971000
1998-01-01	40867029980.8251000
1998-04-01	31207019381.6916000
1998-07-01	5688941697.8158600
1998-10-01	23884988582.0522000
1999-01-01	28860660031.4301000
1999-04-01	31701423136.5366000
1999-07-01	22627936241.6107000
1999-10-01	133983393876.4920000
2000-01-01	223639056175.3380000
2000-04-01	75823683227.4935000
2000-07-01	47213603638.8830000
2000-10-01	69902904179.4679000
2001-01-01	30953098569.8908000
2001-04-01	31964290915.4458000
2001-07-01	32404243306.6889000
2001-10-01	104697259210.6050000
2002-01-01	34848635380.7492000
2002-04-01	47065477285.2676000
2002-07-01	25448404761.1240000
2002-10-01	78669089938.9736000
2003-01-01	57749865807.8368000
2003-04-01	37062966188.3306000
2003-07-01	21581178942.6288000
2003-10-01	36861018562.5892000
2004-01-01	53756719.5899487
2004-04-01	12901048571.7729000
2004-07-01	28805428757.7437000
2004-10-01	72000518157.0880000
2005-01-01	107021360241.1220000
2005-04-01	19030958973.0682000
2005-07-01	29203658536.5854000
2005-10-01	39964319695.5281000
2006-01-01	51263432237.3697000
2006-04-01	166204700657.7570000
2006-07-01	60270212856.3538000
2006-10-01	46756814859.4032000
2007-01-01	124586137575.3870000
2007-04-01	96791588029.1184000
2007-07-01	122587534372.1360000
2007-10-01	241327343863.2080000
2008-01-01	108973232121.4540000
2008-04-01	-20702421244.4676000
2008-07-01	87491252624.2127000
2008-10-01	-13639348568.4266000
2009-01-01	60366884947.3091000
2009-04-01	99145710394.9160000
2009-07-01	77689886997.5683000
2009-10-01	165901550578.3900000
2010-01-01	42738929889.2989000
2010-04-01	116847388707.6960000
2010-07-01	27897298927.3252000
2010-10-01	159152151291.6800000
2011-01-01	142015676981.2700000
2011-04-01	27160333909.0386000
2011-07-01	60711629877.1591000
2011-10-01	117740501212.6110000
2012-01-01	94533572302.8502000
2012-04-01	63330198760.4189000
2012-07-01	44521376433.7852000
2012-10-01	7715435196.4007600