Quarter	US Dollars, sum over component sub-periods
1993-01-01	-2645002978.146920000
1993-04-01	-2303327474.444450400
1993-07-01	-652701439.876055000
1993-10-01	395643820.362006000
1994-01-01	-614647273.287630000
1994-04-01	-629433543.962750900
1994-07-01	657528415.506210000
1994-10-01	622504976.821310000
1995-01-01	-7522055956.265289000
1995-04-01	-409680416.774903000
1995-07-01	770505750.968079900
1995-10-01	748502174.454178000
1996-01-01	7601687845.478780000
1996-04-01	8128768277.158271000
1996-07-01	2871161500.305249700
1996-10-01	5670795972.323500000
1997-01-01	3603061144.402660000
1997-04-01	2654809038.998039700
1997-07-01	4328845347.136701000
1997-10-01	1169231894.610499900
1998-01-01	-538577560.147830000
1998-04-01	-910215648.274689000
1998-07-01	1193856327.222149800
1998-10-01	-14108293121.501999000
1999-01-01	-11314845234.107601000
1999-04-01	-9075370786.730640000
1999-07-01	-1902283463.130410000
1999-10-01	-506487640.781325040
2000-01-01	232994393.308516000
2000-04-01	-608890819.094806900
2000-07-01	-46991539.237244290
2000-10-01	-2461519383.287629600
2001-01-01	1178223511.080380000
2001-04-01	-1845482699.582680000
2001-07-01	777331898.586698000
2001-10-01	-1448292381.131200000
2002-01-01	1270235908.442370000
2002-04-01	-951801059.682953000
2002-07-01	1071236536.936990000
2002-10-01	2126992816.215759800
2003-01-01	-1706902499.685700000
2003-04-01	-3364510749.955220000
2003-07-01	-6322815493.425270000
2003-10-01	-4113492131.287390000
2004-01-01	-4543044490.323421000
2004-04-01	-959375987.198577000
2004-07-01	-386366016.351031000
2004-10-01	-519456322.916691960
2005-01-01	-2031211245.029500000
2005-04-01	-197586219.775812000
2005-07-01	-15853511.632057799
2005-10-01	333020629.538045000
2006-01-01	256217198.990932000
2006-04-01	-427340915.428034000
2006-07-01	660214275.029174000
2006-10-01	114801456.257631000
2007-01-01	-56377958.230139600
2007-04-01	477219859.387846000
2007-07-01	-405588278.666434000
2007-10-01	214462524.647201000
2008-01-01	-163304611.620500000
2008-04-01	-304601327.952140030
2008-07-01	646288615.087358000
2008-10-01	680326363.265193000
2009-01-01	344780682.819513000
2009-04-01	442592435.201647000
2009-07-01	4756158925.919499000
2009-10-01	606916437.614452000
2010-01-01	156365828.827849000
2010-04-01	543853810.546698000
2010-07-01	27139220.677501500
2010-10-01	342044743.289401050
2011-01-01	672674941.761997100
2011-04-01	195744415.713884980
2011-07-01	2254906794.773100000
2011-10-01	10505113720.869900000
2012-01-01	278019107.237644000
2012-04-01	4996047626.717550000
2012-07-01	-2365047528.550810000
2012-10-01	-10382428.656323800
2013-01-01	1054276262.395130000
2013-04-01	-471469558.815509000
2013-07-01	-2649212.689233480
2013-10-01	134750255.792387000
2014-01-01	-50708219.310618700
2014-04-01	150838351.961893020
2014-07-01	103312786.213758000
2014-10-01	4646200287.318160000
2015-01-01	5242522571.645269000
2015-04-01	128301537.533239000
2015-07-01	96717676.035973500
2015-10-01	226514616.185297000
2016-01-01	44085358.868968695
2016-04-01	3208106679.532029600
2016-07-01	5717728838.867650000
2016-10-01	245672097.997176000
2017-01-01	131063523.190675000
2017-04-01	246350036.820757000
2017-07-01	559057525.195923900
2017-10-01	3189895071.036380300
2018-01-01	1177264757.657690000
2018-04-01	11912073.899711400