Quarter	US Dollars, sum over component sub-periods
1994-01-01	-1261000000.000000
1994-04-01	3459000000.000000
1994-07-01	-3916000000.000000
1994-10-01	-178000000.000000
1995-01-01	96000000.000000
1995-04-01	5936000000.000000
1995-07-01	1105000000.000000
1995-10-01	3249000000.000000
1996-01-01	2034000000.000000
1996-04-01	-3431000000.000000
1996-07-01	-1390000000.000000
1996-10-01	-54000000.000000
1997-01-01	1331200000.000000
1997-04-01	8034300000.000000
1997-07-01	-1616200000.000000
1997-10-01	-5813000000.000000
1998-01-01	-891510000.000000
1998-04-01	-767900000.000000
1998-07-01	-2596000000.000000
1998-10-01	-1049500000.000000
1999-01-01	-968890000.000000
1999-04-01	1611180000.000000
1999-07-01	-1091290000.000000
1999-10-01	2226600000.000000
2000-01-01	3101510000.000000
2000-04-01	6219410000.000000
2000-07-01	3979410000.000000
2000-10-01	2709970000.000000
2001-01-01	1829920000.000000
2001-04-01	5339830000.000000
2001-07-01	2449580000.000000
2001-10-01	-1407050000.000000
2002-01-01	499360000.000000
2002-04-01	6094750000.000000
2002-07-01	3230700000.000000
2002-10-01	1549960000.000000
2003-01-01	7588930000.000000
2003-04-01	8051660000.000000
2003-07-01	-2622590000.000000
2003-10-01	13346980000.000000
2004-01-01	6757800000.000000
2004-04-01	5043310000.000000
2004-07-01	6522880000.000000
2004-10-01	26910950000.000000
2005-01-01	14422270000.000000
2005-04-01	18008330000.000000
2005-07-01	8078320000.000000
2005-10-01	20951890000.000000
2006-01-01	21430670000.000000
2006-04-01	40932250000.000000
2006-07-01	13825300000.000000
2006-10-01	31277020000.000000
2007-01-01	32923440000.000004
2007-04-01	65547880000.000010
2007-07-01	7896470000.000000
2007-10-01	42559730000.000000
2008-01-01	12091680000.000000
2008-04-01	64913490000.000000
2008-07-01	8906330000.000000
2008-10-01	-124836120000.000000
2009-01-01	-30513460000.000000
2009-04-01	14203490000.000000
2009-07-01	-9073980000.000000
2009-10-01	28760780000.000000
2010-01-01	16598689999.999998
2010-04-01	26114700000.000000
2010-07-01	2677440000.000000
2010-10-01	-8640000000.000000
2011-01-01	10078080000.000000
2011-04-01	12882030000.000000
2011-07-01	-1761010000.000000
2011-10-01	-8568719999.999999
2012-01-01	4602420000.000000
2012-04-01	14965480000.000000
2012-07-01	1519910000.000000
2012-10-01	8928810000.000000
2013-01-01	4945980000.000000
2013-04-01	-4444160000.000000
2013-07-01	-7371520000.000000
2013-10-01	-15207140000.000000
2014-01-01	-27350640000.000000
2014-04-01	-10344780000.000000
2014-07-01	-5682670000.000000
2014-10-01	-64169000000.000000
2015-01-01	-10113100000.000000
2015-04-01	-2165520000.000000
2015-07-01	9728210000.000000
2015-10-01	4253960000.000000
2016-01-01	2596910000.000000
2016-04-01	4354270000.000000
2016-07-01	3140510000.000000
2016-10-01	-1847980000.000000
2017-01-01	11302020000.000000
2017-04-01	7549830000.000000
2017-07-01	6513590000.000000
2017-10-01	-2729570000.000000
2018-01-01	19333290000.000000
2018-04-01	11301230000.000000