Quarter	US Dollars, sum over component sub-periods
1992-01-01	0.000000000
1992-04-01	0.000000000
1992-07-01	0.000000000
1992-10-01	0.000000000
1993-01-01	0.000000000
1993-04-01	0.000000000
1993-07-01	0.000000000
1993-10-01	0.000000000
1994-01-01	0.000000000
1994-04-01	0.000000000
1994-07-01	0.000000000
1994-10-01	0.000000000
1995-01-01	0.000000000
1995-04-01	0.000000000
1995-07-01	0.000000000
1995-10-01	0.000000000
1996-01-01	0.000000000
1996-04-01	0.000000000
1996-07-01	0.000000000
1996-10-01	0.000000000
1997-01-01	0.000000000
1997-04-01	0.000000000
1997-07-01	0.000000000
1997-10-01	0.000000000
1998-01-01	0.000000000
1998-04-01	0.000000000
1998-07-01	0.000000000
1998-10-01	0.000000000
1999-01-01	0.000000000
1999-04-01	0.000000000
1999-07-01	0.000000000
1999-10-01	0.000000000
2000-01-01	0.000000000
2000-04-01	0.000000000
2000-07-01	0.000000000
2000-10-01	0.000000000
2001-01-01	0.000000000
2001-04-01	0.000000000
2001-07-01	0.000000000
2001-10-01	0.000000000
2002-01-01	0.000000000
2002-04-01	0.000000000
2002-07-01	0.000000000
2002-10-01	0.000000000
2003-01-01	0.000000000
2003-04-01	0.000000000
2003-07-01	0.000000000
2003-10-01	0.000000000
2004-01-01	0.000000000
2004-04-01	0.000000000
2004-07-01	0.000000000
2004-10-01	0.000000000
2005-01-01	0.000000000
2005-04-01	0.000000000
2005-07-01	0.000000000
2005-10-01	0.000000000
2006-01-01	0.000000000
2006-04-01	0.000000000
2006-07-01	0.000000000
2006-10-01	0.000000000
2007-01-01	4000000.000000000
2007-04-01	-14000000.000000000
2007-07-01	1000000.000000000
2007-10-01	1000000.000000000
2008-01-01	-5000000.000000000
2008-04-01	-8000000.000000000
2008-07-01	-47000000.000000000
2008-10-01	-1000000.000000000
2009-01-01	6000000.000000000
2009-04-01	-1000000.000000000
2009-07-01	-46000000.000000000
2009-10-01	-2000000.000000000
2010-01-01	-4000000.000000000
2010-04-01	3000000.000000000
2010-07-01	-44000000.000000000
2010-10-01	-6000000.000000000
2011-01-01	-12000000.000000000
2011-04-01	-22000000.000000000
2011-07-01	7000000.000000000
2011-10-01	2000000.000000000
2012-01-01	-18000000.000000000
2012-04-01	-5000000.000000000
2012-07-01	-33000000.000000000
2012-10-01	-2000000.000000000
2013-01-01	-17330000.000000000
2013-04-01	-36920000.000000000
2013-07-01	-41990000.000000000
2013-10-01	230000.000000000
2014-01-01	-20180000.000000000
2014-04-01	-2970000.000000000
2014-07-01	-43090000.000000000
2014-10-01	-3560000.000000000
2015-01-01	-1140000.000000000
2015-04-01	0.000000000
2015-07-01	-4760000.000000000
2015-10-01	-14790000.000000000
2016-01-01	14890000.000000000
2016-04-01	0.000000000
2016-07-01	7400000.000000000
2016-10-01	0.000000000
2017-01-01	-9770000.000000000
2017-04-01	12300000.000000000
2017-07-01	16079999.999999998
2017-10-01	-1450000.000000000
2018-01-01	30000000.000000000
2018-04-01	2230000.000000000