Quarter	US Dollars, sum over component sub-periods
1993-01-01	41380887.684958600
1993-04-01	49991328.804295700
1993-07-01	57205296.232698300
1993-10-01	46059322.528599700
1994-01-01	9984777.374827300
1994-04-01	3293855.946974570
1994-07-01	-3005990.874683440
1994-10-01	20344876.438311998
1995-01-01	13475161.409358600
1995-04-01	44683227.002707800
1995-07-01	29094070.711163800
1995-10-01	18270393.331758800
1996-01-01	10522229.729367000
1996-04-01	38702897.597479400
1996-07-01	-1175552.216622500
1996-10-01	52976576.658109800
1997-01-01	14092861.964592800
1997-04-01	27746652.554772500
1997-07-01	78909521.987771690
1997-10-01	75637486.802442100
1998-01-01	-77955228.520903000
1998-04-01	141696412.429366000
1998-07-01	-89304544.806686600
1998-10-01	36707565.977843800
1999-01-01	-73025705.478618400
1999-04-01	45367074.741377205
1999-07-01	25058437.157914698
1999-10-01	117471541.583399000
2000-01-01	-81596123.544797390
2000-04-01	79901429.036684500
2000-07-01	15655558.962015498
2000-10-01	108642458.779208000
2001-01-01	-144802389.209132020
2001-04-01	37812141.223380400
2001-07-01	-33632338.006197500
2001-10-01	93702228.687890990
2002-01-01	36734047.171528400
2002-04-01	-13217385.317787500
2002-07-01	1671578.766390780
2002-10-01	30110840.976704900
2003-01-01	50232726.989792500
2003-04-01	-27602693.390852798
2003-07-01	38127143.743176095
2003-10-01	108535314.965593000
2004-01-01	-37400138.035278700
2004-04-01	55789481.866076000
2004-07-01	157620252.715385970
2004-10-01	95308975.615555990
2005-01-01	225477368.887174000
2005-04-01	-120197577.804955000
2005-07-01	3415737.743436140
2005-10-01	276896589.052460000
2006-01-01	-97908021.987053000
2006-04-01	145170363.196604000
2006-07-01	262690658.914202000
2006-10-01	310769044.079568000
2007-01-01	-61845477.216316600
2007-04-01	4717066.672879781
2007-07-01	474118571.923363000
2007-10-01	-306729789.368074000
2008-01-01	186666169.263082000
2008-04-01	371459072.640939000
2008-07-01	-185044808.915896000
2008-10-01	346870741.184887000
2009-01-01	-190704172.691361000
2009-04-01	103042635.780350000
2009-07-01	-315868090.979997040
2009-10-01	434159508.448627000
2010-01-01	-150922483.356559000
2010-04-01	267080617.091309000
2010-07-01	-743594143.403109000
2010-10-01	-484683545.857483000
2011-01-01	34180637.284654304
2011-04-01	-11082588.242624400
2011-07-01	-1976749.851397840
2011-10-01	-4041982.963012650
2012-01-01	70553905.515968200
2012-04-01	256470.617387964
2012-07-01	23900744.865248900
2012-10-01	-3633850.029713340
2013-01-01	28764984.380743300
2013-04-01	-49236571.654694500
2013-07-01	6755492.357545369
2013-10-01	25861160.202579300
2014-01-01	63590848.000343400
2014-04-01	51696416.990576000
2014-07-01	74967996.149983600
2014-10-01	-26096636.926887800
2015-01-01	33546740.956630700
2015-04-01	-51210010.239560100
2015-07-01	20344062.890325498
2015-10-01	23417453.074228800
2016-01-01	68773159.835591110
2016-04-01	-11518017.645627100
2016-07-01	6806820.046271010
2016-10-01	-114754729.985523000
2017-01-01	-25893037.508401700
2017-04-01	-3739241.630315060
2017-07-01	7046943.594906600
2017-10-01	-2237283.364698830
2018-01-01	53579064.127218500
2018-04-01	-5598674.732864340