Quarter	US Dollars, sum over component sub-periods
1995-01-01	-368333330.424919000
1995-04-01	300217191.632604000
1995-07-01	369965940.980257030
1995-10-01	68079817.264102500
1996-01-01	1600277368.827439800
1996-04-01	1792163087.684589900
1996-07-01	-249113609.467456000
1996-10-01	-110259048.498644010
1997-01-01	-4486835558.693570000
1997-04-01	589407020.817540000
1997-07-01	-550738347.925626000
1997-10-01	2135961300.946370100
1998-01-01	1429357102.250390000
1998-04-01	-1529875429.456490000
1998-07-01	676657917.970495900
1998-10-01	-870267458.726725900
1999-01-01	591559864.918124100
1999-04-01	-309627810.958556000
1999-07-01	209733568.151092000
1999-10-01	-643488396.074634000
2000-01-01	-254155003.344658020
2000-04-01	193124291.829258000
2000-07-01	-599801407.533528900
2000-10-01	279989439.293670000
2001-01-01	-60071914.855596900
2001-04-01	-530159268.692179000
2001-07-01	278902638.094994960
2001-10-01	-112225275.102930000
2002-01-01	-149465301.856055970
2002-04-01	471780656.655602000
2002-07-01	-558498857.861656000
2002-10-01	429440449.874155000
2003-01-01	146353470.303240000
2003-04-01	254791831.979222000
2003-07-01	87137110.084751590
2003-10-01	105687119.207679000
2004-01-01	-148292773.099110000
2004-04-01	-798222515.781088000
2004-07-01	336859813.812887970
2004-10-01	-181382230.261335000
2005-01-01	590178255.684829000
2005-04-01	322468261.739849030
2005-07-01	-69828621.234740690
2005-10-01	-708204049.494388000
2006-01-01	-4527225587.428500000
2006-04-01	18224833.157960300
2006-07-01	94188870.510918900
2006-10-01	83456788.987288800
2007-01-01	-135044876.690800000
2007-04-01	-109329182.475577000
2007-07-01	566861177.268376000
2007-10-01	-2173606.668721640
2008-01-01	288704574.855691970
2008-04-01	-305226151.188964960
2008-07-01	26391368.040690200
2008-10-01	230496673.268420000
2009-01-01	-125161893.159386000
2009-04-01	499788996.058476030
2009-07-01	20168974.693372898
2009-10-01	485828486.557554000
2010-01-01	-59363664.218714500
2010-04-01	-1170429310.501320100
2010-07-01	-302149990.209516000
2010-10-01	-571703356.640855000
2011-01-01	833460659.549011000
2011-04-01	113128757.905231000
2011-07-01	-145714703.331612000
2011-10-01	-279031557.213305950
2012-01-01	340048842.012836040
2012-04-01	275962384.309450000
2012-07-01	120755072.224949000
2012-10-01	-50873900.415986806
2013-01-01	138810842.057532000
2013-04-01	-333946720.745501000
2013-07-01	101199924.728719000
2013-10-01	1147418844.777600000
2014-01-01	-13595284.744901001
2014-04-01	-195747043.114184020
2014-07-01	-200956614.414762000
2014-10-01	121405550.641210990
2015-01-01	-215014346.399881000
2015-04-01	36499575.332731800
2015-07-01	-115616532.272887990
2015-10-01	165235299.729371000
2016-01-01	-66128038.303453000
2016-04-01	587193056.443736900
2016-07-01	69184072.601443110
2016-10-01	67883079.709746000
2017-01-01	-171554692.956900000
2017-04-01	-171565204.214456000
2017-07-01	-31711246.177079700
2017-10-01	-58875878.018390200
2018-01-01	-90936943.702159900
2018-04-01	-75046065.568181600