Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	371914797.7008910
1990-04-01	446855775.8031440
1990-07-01	645068061.6167160
1990-10-01	885974227.2479410
1991-01-01	-830449826.9896190
1991-04-01	-1312141075.4684100
1991-07-01	1542922081.7063900
1991-10-01	-2362163114.3209400
1992-01-01	741317331.3708280
1992-04-01	-143156132.2729180
1992-07-01	2163429522.7525000
1992-10-01	-1530822460.5145000
1993-01-01	-588841337.7714380
1993-04-01	573850069.5337300
1993-07-01	-838147333.9808800
1993-10-01	-108717535.7358570
1994-01-01	210175891.8811490
1994-04-01	-68005884.1970723
1994-07-01	-1361514901.0647100
1994-10-01	139582470.5853690
1995-01-01	-1406161137.4407600
1995-04-01	-875039498.3106880
1995-07-01	729530366.3634130
1995-10-01	-620099786.1724870
1996-01-01	-563006596.4024050
1996-04-01	501196815.0065950
1996-07-01	-1513610820.5415100
1996-10-01	-1896747445.8318900
1997-01-01	-4590372967.8036300
1997-04-01	-2132038274.7511700
1997-07-01	-361698031.4771140
1997-10-01	-4458270249.8107500
1998-01-01	-526229966.4554600
1998-04-01	-2095321462.3021800
1998-07-01	-5343886222.5353300
1998-10-01	-3406762073.5872700
1999-01-01	-191242969.0084920
1999-04-01	1748133061.7786800
1999-07-01	4560344634.1627600
1999-10-01	1410685985.9633200
2000-01-01	-2805983160.8892200
2000-04-01	3064327221.9469300
2000-07-01	5808345517.9394900
2000-10-01	15586288261.1260000
2001-01-01	-2938289378.9673500
2001-04-01	-2392888811.9904000
2001-07-01	-3941747572.8155300
2001-10-01	830114607.7376050
2002-01-01	7223465439.7155700
2002-04-01	912483912.4839120
2002-07-01	-6718919956.4911400
2002-10-01	-6164645413.4188600
2003-01-01	608985686.5170520
2003-04-01	1482144135.1177300
2003-07-01	-4259617243.3790800
2003-10-01	-14251292186.0748000
2004-01-01	-392390011.8906060
2004-04-01	-27248374831.3504000
2004-07-01	-2481007495.0288100
2004-10-01	-13264141152.0498000
2005-01-01	-1574997960.9037300
2005-04-01	-1375844322.9334200
2005-07-01	-1046202426.4583700
2005-10-01	2268699948.8839700
2006-01-01	7389559392.5044700
2006-04-01	-9063882866.5617300
2006-07-01	10333263965.2763000
2006-10-01	5293188202.2471900
2007-01-01	-284226698.5319250
2007-04-01	7947815533.9805800
2007-07-01	14069196428.5714000
2007-10-01	33568299887.9495000
2008-01-01	-11392795541.9928000
2008-04-01	-5621227613.0479200
2008-07-01	-506491014.9005550
2008-10-01	-1035307704.9991800
2009-01-01	-3270260143.4535900
2009-04-01	-4368216611.4475000
2009-07-01	-11801306395.2605000
2009-10-01	2650986582.4783000
2010-01-01	13976235467.4439000
2010-04-01	280173811.5312290
2010-07-01	-7556781727.1910700
2010-10-01	-13319186735.0967000
2011-01-01	-516157382.3688470
2011-04-01	14543826416.3940000
2011-07-01	-10937297996.1215000
2011-10-01	-14860672033.3735000
2012-01-01	6680764619.6882900
2012-04-01	-129681570.6979060
2012-07-01	-16980032162.9590000
2012-10-01	-2091826437.9414700
2013-01-01	15570574044.0861000
2013-04-01	12224140177.1756000
2013-07-01	-10712772785.6226000
2013-10-01	4991743934.9676100