Quarter	US Dollars, sum over component sub-periods
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	-2470000.000000000
2003-04-01	30000.000000000
2003-07-01	-6870000.000000000
2003-10-01	-490000.000000000
2004-01-01	-9530000.000000000
2004-04-01	-11700000.000000000
2004-07-01	-42490000.000000000
2004-10-01	-3800000.000000000
2005-01-01	-10760000.000000000
2005-04-01	-12710000.000000000
2005-07-01	-20220000.000000000
2005-10-01	-13080000.000000000
2006-01-01	-4000000.000000000
2006-04-01	-4600000.000000000
2006-07-01	-23990000.000000000
2006-10-01	-2100000.000000000
2007-01-01	-15600000.000000000
2007-04-01	-7670000.000000000
2007-07-01	-28330000.000000000
2007-10-01	-5700000.000000000
2008-01-01	-277130000.000000000
2008-04-01	-5180000.000000000
2008-07-01	-16570000.000000000
2008-10-01	-9730000.000000000
2009-01-01	-3320000.000000000
2009-04-01	-12780000.000000000
2009-07-01	14740000.000000000
2009-10-01	-242530000.000000000
2010-01-01	-14800000.000000000
2010-04-01	-1510000.000000000
2010-07-01	-37540000.000000000
2010-10-01	77580000.000000000
2011-01-01	-47660000.000000000
2011-04-01	-34000000.000000000
2011-07-01	90130000.000000000
2011-10-01	29610000.000000000
2012-01-01	-54410000.000000000
2012-04-01	14920000.000000000
2012-07-01	-142060000.000000000
2012-10-01	-220450000.000000000
2013-01-01	-70760000.000000000
2013-04-01	-8050000.000000001
2013-07-01	-59800000.000000000
2013-10-01	-7080000.000000000
2014-01-01	-191200000.000000000
2014-04-01	-16200000.000000000
2014-07-01	-49800000.000000000
2014-10-01	-26700000.000000000
2015-01-01	-22380000.000000000
2015-04-01	-9190000.000000000
2015-07-01	-3310000.000000000
2015-10-01	-11410000.000000000
2016-01-01	3840000.000000000
2016-04-01	-69250000.000000000
2016-07-01	59900000.000000000
2016-10-01	-8430000.000000000
2017-01-01	24320000.000000000
2017-04-01	-2650000.000000000
2017-07-01	-49140000.000000000
2017-10-01	-11230000.000000000
2018-01-01	-2690000.000000000
2018-04-01	-3470000.000000000