Quarter	US Dollars, sum over component sub-periods
1995-01-01	6448874.2672436600
1995-04-01	18296126.2898703000
1995-07-01	1301373.3963538702
1995-10-01	-82832413.6074524000
1996-01-01	46192995.6496038000
1996-04-01	25935541.5697517000
1996-07-01	-25626695.2058189030
1996-10-01	-12547978.5102720000
1997-01-01	-2915682.6193713397
1997-04-01	22522997.4477035000
1997-07-01	79393277.0283913000
1997-10-01	11409326.0230019000
1998-01-01	-1419749.0899445899
1998-04-01	-23870861.2462259980
1998-07-01	42793334.0202363000
1998-10-01	37209971.8755882000
1999-01-01	95126609.2469046000
1999-04-01	159431625.5305980000
1999-07-01	43442872.9483071000
1999-10-01	-123039177.2360320100
2000-01-01	5145742.0042928490
2000-04-01	-1919350.3584787000
2000-07-01	-38293445.4672532000
2000-10-01	128244536.9431530100
2001-01-01	94171816.4285864000
2001-04-01	224835094.3167350000
2001-07-01	-51162678.6980298000
2001-10-01	211588753.1997080000
2002-01-01	-29737800.9622712020
2002-04-01	306545512.3660020000
2002-07-01	22373913.4413030000
2002-10-01	58822289.5163954000
2003-01-01	115389835.7373390000
2003-04-01	558500223.3340970000
2003-07-01	159741624.1170630000
2003-10-01	1286941127.2568400000
2004-01-01	391648814.3664009600
2004-04-01	765207184.4511870000
2004-07-01	509363115.1548240000
2004-10-01	1823451168.0252500000
2005-01-01	756670026.9336740000
2005-04-01	4482313144.9498300000
2005-07-01	910553660.9617350000
2005-10-01	4734746318.3675700000
2006-01-01	3688408168.3034500000
2006-04-01	561538044.2389980000
2006-07-01	1929466367.1648400000
2006-10-01	5202544663.4707590000
2007-01-01	2173870904.1102800000
2007-04-01	2623433120.7502800000
2007-07-01	3724017376.1518800000
2007-10-01	8585165754.9422400000
2008-01-01	-903965293.6445200000
2008-04-01	3932576181.9618900000
2008-07-01	-554813187.3626080000
2008-10-01	223567034.7251090000
2009-01-01	290446551.6888240000
2009-04-01	-142686553.3146959800
2009-07-01	953576058.8673240000
2009-10-01	-8148201.3159464000
2010-01-01	-956306428.5076630000
2010-04-01	748583685.5273020000
2010-07-01	-457178526.2104470000
2010-10-01	-1744263197.8887901000
2011-01-01	-19254073.4900398000
2011-04-01	-1041295949.2111600000
2011-07-01	-1252330085.3421400000
2011-10-01	-1850957710.6903000000
2012-01-01	1409376702.1263600000
2012-04-01	-2172820485.0235800000
2012-07-01	3069378099.0642600000
2012-10-01	-184909813.7401210000
2013-01-01	369983869.7834030000
2013-04-01	-254101620.0803730200
2013-07-01	-498430957.8341179500
2013-10-01	-479097950.0997610000
2014-01-01	-509634366.8877820000
2014-04-01	116731421.8599080000
2014-07-01	80333149.0295868000
2014-10-01	-2744441713.2706300000
2015-01-01	1108683247.0237200000
2015-04-01	-444961712.2693730000
2015-07-01	793263327.0783310000
2015-10-01	-1971106312.4416000000
2016-01-01	-4555845738.5035800000
2016-04-01	-582896611.1603830000
2016-07-01	191852404.3666980000
2016-10-01	-302984788.5890780000
2017-01-01	-349991374.7080700000
2017-04-01	-436454910.1180400000
2017-07-01	31678979.0768326000
2017-10-01	-86045130.9718723900
2018-01-01	869921488.4375900000
2018-04-01	-55470811.1787302050