Quarter	US Dollars, sum over component sub-periods
1995-01-01	-1377000000.0000000
1995-04-01	-49300000.0000000
1995-07-01	46600000.0000000
1995-10-01	2069800000.0000002
1996-01-01	-1207000000.0000000
1996-04-01	-109800000.0000000
1996-07-01	-984700000.0000000
1996-10-01	1516000000.0000000
1997-01-01	-2186400000.0000000
1997-04-01	-1695000000.0000000
1997-07-01	1451800000.0000000
1997-10-01	1091700000.0000000
1998-01-01	-89400000.0000000
1998-04-01	1706400000.0000000
1998-07-01	118600000.0000000
1998-10-01	186000000.0000000
1999-01-01	385300000.0000000
1999-04-01	1300000000.0000000
1999-07-01	-121900000.0000000
1999-10-01	2497500000.0000000
2000-01-01	2383300000.0000000
2000-04-01	411800000.0000000
2000-07-01	1682800000.0000000
2000-10-01	-885700000.0000000
2001-01-01	2288100000.0000000
2001-04-01	711500000.0000000
2001-07-01	-1065599999.9999999
2001-10-01	1224500000.0000000
2002-01-01	-1428100000.0000000
2002-04-01	-98500000.0000000
2002-07-01	1291600000.0000000
2002-10-01	1928700000.0000000
2003-01-01	927700000.0000000
2003-04-01	792600000.0000000
2003-07-01	-379100000.0000000
2003-10-01	666400000.0000000
2004-01-01	1884400000.0000000
2004-04-01	1489600000.0000000
2004-07-01	-835700000.0000000
2004-10-01	4648900000.0000000
2005-01-01	2091500000.0000000
2005-04-01	3229000000.0000000
2005-07-01	-2365300000.0000000
2005-10-01	2982700000.0000000
2006-01-01	2341500000.0000000
2006-04-01	2416100000.0000000
2006-07-01	2508400000.0000000
2006-10-01	5451800000.0000000
2007-01-01	679100000.0000000
2007-04-01	2535800000.0000000
2007-07-01	1097600000.0000000
2007-10-01	3489800000.0000000
2008-01-01	2030600000.0000000
2008-04-01	-150500000.0000000
2008-07-01	-2739000000.0000000
2008-10-01	-10169600000.0000000
2009-01-01	-910100000.0000000
2009-04-01	-4295600000.0000000
2009-07-01	-2601100000.0000000
2009-10-01	3375200000.0000000
2010-01-01	-1913800000.0000000
2010-04-01	1869600000.0000000
2010-07-01	-2117699999.9999998
2010-10-01	1853500000.0000000
2011-01-01	1304400000.0000000
2011-04-01	861100000.0000000
2011-07-01	804600000.0000000
2011-10-01	-2306700000.0000000
2012-01-01	-3551500000.0000000
2012-04-01	1142700000.0000000
2012-07-01	-1423700000.0000000
2012-10-01	1356700000.0000000
2013-01-01	414400000.0000000
2013-04-01	2396800000.0000000
2013-07-01	-4083600000.0000000
2013-10-01	5327000000.0000000
2014-01-01	1653200000.0000000
2014-04-01	-1835800000.0000000
2014-07-01	2608400000.0000000
2014-10-01	2328200000.0000000
2015-01-01	1161500000.0000000
2015-04-01	-5435700000.0000000
2015-07-01	-1129300000.0000000
2015-10-01	1256400000.0000000
2016-01-01	-566400000.0000000
2016-04-01	-1027500000.0000000
2016-07-01	1517700000.0000000
2016-10-01	3335800000.0000000
2017-01-01	446900000.0000000
2017-04-01	-490400000.0000000
2017-07-01	3789900000.0000000
2017-10-01	5946500000.0000000
2018-01-01	-1492800000.0000000
2018-04-01	-41300000.0000000