Quarter	US Dollars, sum over component sub-periods
1994-01-01	317000000.000000000
1994-04-01	306000000.000000000
1994-07-01	491000000.000000000
1994-10-01	313100000.000000000
1995-01-01	188000000.000000000
1995-04-01	137000000.000000000
1995-07-01	243000000.000000000
1995-10-01	218000000.000000000
1996-01-01	128800000.000000010
1996-04-01	89100000.000000000
1996-07-01	106500000.000000000
1996-10-01	73030000.000000000
1997-01-01	44790000.000000000
1997-04-01	20650000.000000000
1997-07-01	21730000.000000000
1997-10-01	9110000.000000000
1998-01-01	42880000.000000000
1998-04-01	5910000.000000000
1998-07-01	17520000.000000000
1998-10-01	14010000.000000000
1999-01-01	10570000.000000000
1999-04-01	9610000.000000000
1999-07-01	0.000000000
1999-10-01	-8600000.000000000
2000-01-01	18930000.000000000
2000-04-01	430000.000000000
2000-07-01	10990080000.000000000
2000-10-01	37530000.000000000
2001-01-01	530000.000000000
2001-04-01	1440000.000000000
2001-07-01	-9876440000.000000000
2001-10-01	1010780000.000000000
2002-01-01	1330000.000000000
2002-04-01	-1044970000.000000000
2002-07-01	-5624020000.000000000
2002-10-01	-5212870000.000000000
2003-01-01	162470000.000000000
2003-04-01	-404210000.000000000
2003-07-01	79500000.000000000
2003-10-01	-201000000.000000000
2004-01-01	-588250000.000000000
2004-04-01	-7230000.000000000
2004-07-01	420000.000000000
2004-10-01	-339910000.000000000
2005-01-01	-2710000.000000000
2005-04-01	-1080740000.000000000
2005-07-01	-10654660000.000000000
2005-10-01	-592540000.000000000
2006-01-01	24700000.000000000
2006-04-01	75690000.000000000
2006-07-01	50540000.000000000
2006-10-01	174420000.000000000
2007-01-01	-936460000.000000000
2007-04-01	34700000.000000000
2007-07-01	32840000.000000004
2007-10-01	-9714520000.000000000
2008-01-01	36520000.000000000
2008-04-01	56250000.000000000
2008-07-01	67640000.000000000
2008-10-01	44420000.000000000
2009-01-01	-16820000.000000000
2009-04-01	-31280000.000000000
2009-07-01	-12332140000.000000000
2009-10-01	157920000.000000000
2010-01-01	29660000.000000000
2010-04-01	-13450000.000000000
2010-07-01	-30150000.000000000
2010-10-01	-50850000.000000000
2011-01-01	15960000.000000000
2011-04-01	35540000.000000000
2011-07-01	44440000.000000000
2011-10-01	-4330000.000000000
2012-01-01	-4706090000.000000000
2012-04-01	-31480000.000000000
2012-07-01	-92610000.000000000
2012-10-01	14500000.000000000
2013-01-01	67420000.000000000
2013-04-01	-26370000.000000000
2013-07-01	-172470000.000000000
2013-10-01	-117820000.000000000
2014-01-01	12980000.000000000
2014-04-01	-54430000.000000000
2014-07-01	-9924320000.000000000
2014-10-01	-31755410000.000000000
2015-01-01	21880000.000000000
2015-04-01	-148670000.000000000
2015-07-01	-5950000.000000000
2015-10-01	-130090000.000000000
2016-01-01	-24200000.000000000
2016-04-01	-1250650000.000000000
2016-07-01	2510000.000000000
2016-10-01	522120000.000000000
2017-01-01	18950000.000000000
2017-04-01	-175740000.000000000
2017-07-01	-8950000.000000000
2017-10-01	12180000.000000000
2018-01-01	-234450000.000000000
2018-04-01	-197160000.000000000