Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	7863462188.662230
1990-04-01	8894395078.605600
1990-07-01	2692118724.892340
1990-10-01	2192118933.501710
1991-01-01	8931660899.653980
1991-04-01	1113753698.010330
1991-07-01	4891893466.985260
1991-10-01	7717104104.280430
1992-01-01	7075207336.748850
1992-04-01	4398493093.344500
1992-07-01	2074361820.199780
1992-10-01	5021129364.534360
1993-01-01	10157711206.213300
1993-04-01	8482590328.251690
1993-07-01	3012115944.992590
1993-10-01	5663126635.796260
1994-01-01	6206896551.724140
1994-04-01	4963706079.533120
1994-07-01	-2412368126.792750
1994-10-01	4667608584.443740
1995-01-01	695971563.981043
1995-04-01	-977856639.362193
1995-07-01	-669043521.022867
1995-10-01	2142699142.232160
1996-01-01	2256407759.900690
1996-04-01	-6058326412.974450
1996-07-01	-3696450726.153700
1996-10-01	765510093.282661
1997-01-01	-1296927490.743240
1997-04-01	-1438188200.221190
1997-07-01	6735091687.924150
1997-10-01	6627791445.874340
1998-01-01	7505590756.615730
1998-04-01	-1476814632.236070
1998-07-01	145304037.690987
1998-10-01	-722469626.875351
1999-01-01	2855409727.583540
1999-04-01	-1446707399.864220
1999-07-01	-4456012026.296300
1999-10-01	-3115462983.925740
2000-01-01	399183280.185368
2000-04-01	-7415198882.832560
2000-07-01	-4866269261.050500
2000-10-01	-2309104017.827880
2001-01-01	-1850664223.545580
2001-04-01	-6206717563.855790
2001-07-01	-583818770.226537
2001-10-01	-2356740327.993410
2002-01-01	759803408.972080
2002-04-01	676962676.962677
2002-07-01	-5214665045.748290
2002-10-01	-5628146039.971960
2003-01-01	1315382576.426930
2003-04-01	-4555929292.206400
2003-07-01	-5785569302.145760
2003-10-01	-2941623593.797510
2004-01-01	-6005768209.072280
2004-04-01	-8438856862.504600
2004-07-01	-2953653189.211240
2004-10-01	-7594023980.553360
2005-01-01	-3526820912.971370
2005-04-01	-3316178835.638470
2005-07-01	-6914575369.785610
2005-10-01	-6824842392.230360
2006-01-01	-6740774961.020960
2006-04-01	-5021531882.034990
2006-07-01	-7701340785.444600
2006-10-01	-705758426.966292
2007-01-01	-3938204165.244110
2007-04-01	-6693567961.165050
2007-07-01	-6061224489.795920
2007-10-01	2217581745.950900
2008-01-01	-4909778426.429610
2008-04-01	-353243840.496059
2008-07-01	-3615463324.167040
2008-10-01	9544629599.076060
2009-01-01	8991810298.683230
2009-04-01	8485376442.362620
2009-07-01	8072611271.456780
2009-10-01	15219258089.976300
2010-01-01	10375044038.048900
2010-04-01	10355729943.576100
2010-07-01	20149813935.583200
2010-10-01	13980457954.994100
2011-01-01	17582815035.154100
2011-04-01	13802996383.674900
2011-07-01	10551491851.801400
2011-10-01	14055991917.348400
2012-01-01	14291661116.291500
2012-04-01	11305065170.763900
2012-07-01	20116925757.169700
2012-10-01	18089808274.470200
2013-01-01	10934597970.851600
2013-04-01	10992053152.683700
2013-07-01	15649871630.295300
2013-10-01	19039121046.615000