Quarter	US Dollars, sum over component sub-periods
1995-01-01	2045700000.00000000
1995-04-01	-236900000.00000000
1995-07-01	101100000.00000000
1995-10-01	-654000000.00000000
1996-01-01	1588300000.00000000
1996-04-01	-699900000.00000000
1996-07-01	1379300000.00000000
1996-10-01	1257100000.00000000
1997-01-01	4229100000.00000050
1997-04-01	2534300000.00000000
1997-07-01	1294500000.00000000
1997-10-01	1174100000.00000000
1998-01-01	1335200000.00000000
1998-04-01	-417900000.00000000
1998-07-01	-105200000.00000000
1998-10-01	924000000.00000000
1999-01-01	-134199999.99999999
1999-04-01	165400000.00000000
1999-07-01	-315000000.00000000
1999-10-01	1291300000.00000000
2000-01-01	473100000.00000000
2000-04-01	-473000000.00000000
2000-07-01	343000000.00000000
2000-10-01	529000000.00000000
2001-01-01	811300000.00000000
2001-04-01	-507500000.00000000
2001-07-01	640600000.00000000
2001-10-01	-975200000.00000000
2002-01-01	1103900000.00000000
2002-04-01	29200000.00000000
2002-07-01	-816500000.00000000
2002-10-01	-886800000.00000000
2003-01-01	-341400000.00000000
2003-04-01	342100000.00000000
2003-07-01	692200000.00000000
2003-10-01	656400000.00000000
2004-01-01	413000000.00000000
2004-04-01	-231000000.00000000
2004-07-01	-3000000.00000000
2004-10-01	270000000.00000000
2005-01-01	434000000.00000000
2005-04-01	-302900000.00000000
2005-07-01	1162000000.00000000
2005-10-01	541000000.00000000
2006-01-01	7100000.00000000
2006-04-01	-789000000.00000000
2006-07-01	66000000.00000000
2006-10-01	1148000000.00000000
2007-01-01	1385100000.00000000
2007-04-01	-1464400000.00000000
2007-07-01	-412100000.00000000
2007-10-01	-1186400000.00000000
2008-01-01	199100000.00000000
2008-04-01	2187800000.00000000
2008-07-01	5371300000.00000000
2008-10-01	6412400000.00000000
2009-01-01	2086199999.99999980
2009-04-01	4544700000.00000000
2009-07-01	8933700000.00000000
2009-10-01	1076300000.00000000
2010-01-01	3429200000.00000000
2010-04-01	2580400000.00000000
2010-07-01	729400000.00000000
2010-10-01	5173500000.00000000
2011-01-01	2082199999.99999980
2011-04-01	2246000000.00000000
2011-07-01	500000000.00000000
2011-10-01	-293800000.00000000
2012-01-01	1023800000.00000000
2012-04-01	-453500000.00000000
2012-07-01	-153400000.00000000
2012-10-01	-596000000.00000000
2013-01-01	1753800000.00000000
2013-04-01	1129900000.00000000
2013-07-01	378200000.00000000
2013-10-01	1095100000.00000000
2014-01-01	3607800000.00000000
2014-04-01	1124800000.00000000
2014-07-01	1900700000.00000000
2014-10-01	761700000.00000000
2015-01-01	1492400000.00000000
2015-04-01	2358800000.00000000
2015-07-01	1905000000.00000000
2015-10-01	1573800000.00000000
2016-01-01	3022600000.00000000
2016-04-01	2515700000.00000000
2016-07-01	1305100000.00000000
2016-10-01	1685500000.00000000
2017-01-01	3711600000.00000000
2017-04-01	3063700000.00000000
2017-07-01	622000000.00000000
2017-10-01	682200000.00000000
2018-01-01	2722000000.00000000
2018-04-01	523100000.00000000