Quarter	US Dollars, sum over component sub-periods
1993-01-01	1533142746.558970000
1993-04-01	413361759.746847000
1993-07-01	861283262.533551000
1993-10-01	928021044.781332000
1994-01-01	688110087.477479100
1994-04-01	773668828.698822000
1994-07-01	783608529.491590000
1994-10-01	1980926654.758930000
1995-01-01	1986387762.728420000
1995-04-01	1506040615.990730000
1995-07-01	1852740638.056490200
1995-10-01	1470638562.693070200
1996-01-01	479928665.461215000
1996-04-01	987018401.557508000
1996-07-01	1370090889.455299900
1996-10-01	1733720565.342320000
1997-01-01	961724161.218349900
1997-04-01	1395905039.452930000
1997-07-01	-93699652.074690400
1997-10-01	1031862222.090660000
1998-01-01	-1643272476.711150000
1998-04-01	1144518768.191140000
1998-07-01	584498555.385816900
1998-10-01	-303177798.411465000
1999-01-01	1090384763.587810000
1999-04-01	-119946872.087776000
1999-07-01	-787257912.551907000
1999-10-01	741731318.905676000
2000-01-01	-717102591.821582000
2000-04-01	-577378338.131901000
2000-07-01	582153026.038239000
2000-10-01	413552561.138390000
2001-01-01	204688408.084960000
2001-04-01	-21831183.366597902
2001-07-01	-703982201.908516000
2001-10-01	-24333523.034727800
2002-01-01	-1214582798.643880100
2002-04-01	430485512.970379000
2002-07-01	-486549854.025366960
2002-10-01	1277726275.605720000
2003-01-01	-927110429.254589000
2003-04-01	-155424534.798927000
2003-07-01	928221561.079317000
2003-10-01	2721077946.826650000
2004-01-01	-1629916866.577649800
2004-04-01	1413211743.132610000
2004-07-01	313169874.329906000
2004-10-01	2219810583.567600300
2005-01-01	-565965859.309384000
2005-04-01	5725992.953858120
2005-07-01	1771756848.568910100
2005-10-01	1649260770.153720000
2006-01-01	-1066724267.394550000
2006-04-01	2120788882.161749800
2006-07-01	687418490.542025000
2006-10-01	1302395029.144820000
2007-01-01	213731114.277735000
2007-04-01	2663847911.654940000
2007-07-01	2485549767.473779700
2007-10-01	2237950259.216510000
2008-01-01	3087528499.129980000
2008-04-01	5208064930.367500000
2008-07-01	111499936.182443000
2008-10-01	138362017.037684020
2009-01-01	-2475115884.151250400
2009-04-01	-787317854.928881000
2009-07-01	-498243704.356717000
2009-10-01	336680941.035724000
2010-01-01	-2908045708.396440000
2010-04-01	2153357281.730060000
2010-07-01	-831910306.437798000
2010-10-01	2797149961.813990000
2011-01-01	-87270397.976859500
2011-04-01	447549383.148058000
2011-07-01	4528360598.349310000
2011-10-01	-1293018973.602800100
2012-01-01	760589041.080369000
2012-04-01	-1172028549.756030000
2012-07-01	-2865876826.580090000
2012-10-01	1315240416.258830000
2013-01-01	-107257387.253889000
2013-04-01	-139900475.134516000
2013-07-01	-1271271460.552010000
2013-10-01	7353829931.520240000
2014-01-01	-2634046622.923680000
2014-04-01	5706752973.629750000
2014-07-01	-1877894791.235190200
2014-10-01	1489215785.151350000
2015-01-01	-1267307483.141180000
2015-04-01	2394884108.363370000
2015-07-01	5551118980.503611000
2015-10-01	-6906631992.614679000
2016-01-01	865554279.141676100
2016-04-01	-383693977.314075050
2016-07-01	5411059208.084610000
2016-10-01	532902356.694573000
2017-01-01	25219425785.579502000
2017-04-01	734262073.340155000
2017-07-01	8612787761.314121000
2017-10-01	-3072573565.729470000
2018-01-01	-3925600154.863740000
2018-04-01	3497275387.434560000