Quarter	US Dollars, sum over component sub-periods
1995-01-01	-63224338.362601995
1995-04-01	277908571.763259000
1995-07-01	-8189554.024036000
1995-10-01	163136287.831151000
1996-01-01	-329602825.244929970
1996-04-01	185883910.476052000
1996-07-01	896142306.159059000
1996-10-01	64728691.476590596
1997-01-01	414101732.213875000
1997-04-01	600290748.220812000
1997-07-01	600432854.308220000
1997-10-01	105634153.214444000
1998-01-01	36164523.083496800
1998-04-01	434944461.629982000
1998-07-01	-50867660.853878500
1998-10-01	-225862488.959919000
1999-01-01	595793983.267074100
1999-04-01	-573860169.398306000
1999-07-01	-198402207.780646000
1999-10-01	104829064.429318000
2000-01-01	249990005.446174000
2000-04-01	-152186076.916028000
2000-07-01	9735647.615580640
2000-10-01	104592554.557125000
2001-01-01	51541802.864850000
2001-04-01	620043720.492300000
2001-07-01	16082131.236442499
2001-10-01	712185477.582846000
2002-01-01	261413473.700750000
2002-04-01	302308975.732830000
2002-07-01	561252920.734257000
2002-10-01	789496520.476329000
2003-01-01	-101239120.756817000
2003-04-01	346544815.157566960
2003-07-01	46814249.233912200
2003-10-01	21230921.019514400
2004-01-01	-106033536.424771000
2004-04-01	-306946171.724997000
2004-07-01	-21605317.758120100
2004-10-01	128316268.535994000
2005-01-01	5639205.384994251
2005-04-01	48012852.109590000
2005-07-01	188900458.295142000
2005-10-01	-9987477.052840490
2006-01-01	110863911.421833000
2006-04-01	-370775298.985631050
2006-07-01	-871325482.687091000
2006-10-01	-507924901.823659000
2007-01-01	-71849118.860736100
2007-04-01	15233289.296843700
2007-07-01	-44408479.325172300
2007-10-01	-92450736.976293500
2008-01-01	121354803.130830000
2008-04-01	-124964647.364981010
2008-07-01	-1499509.547766490
2008-10-01	-27580798.510751102
2009-01-01	-148320746.571413000
2009-04-01	-62643852.367002405
2009-07-01	317554069.640340030
2009-10-01	-29533646.599243402
2010-01-01	-85793640.595811100
2010-04-01	63534323.661997400
2010-07-01	-23262189.152144100
2010-10-01	14930524.508664300
2011-01-01	-12305029.422475600
2011-04-01	-17271566.092401598
2011-07-01	-46594817.925806100
2011-10-01	-25599225.432413403
2012-01-01	-50751601.179702096
2012-04-01	7437647.904250970
2012-07-01	26153171.082916300
2012-10-01	-24788048.416973200
2013-01-01	-88274195.186776600
2013-04-01	25467192.235186800
2013-07-01	110074787.237650990
2013-10-01	-41377856.324126900
2014-01-01	215852555.173580000
2014-04-01	10970061.960864900
2014-07-01	-97617337.742999900
2014-10-01	-3870793.037002500
2015-01-01	-22739737.158521500
2015-04-01	25217888.411705602
2015-07-01	-54139664.631631196
2015-10-01	-73097470.343854400
2016-01-01	11462193.305931900
2016-04-01	-45281618.391141996
2016-07-01	-56128368.578267600
2016-10-01	-17886652.748917200
2017-01-01	45818955.261780800
2017-04-01	35962706.268030100
2017-07-01	29479714.038692597
2017-10-01	-13894707.212340100
2018-01-01	-14500755.887641700
2018-04-01	-26206562.579365000