Quarter	US Dollars, sum over component sub-periods
1995-01-01	761900000.00000000
1995-04-01	-62500000.00000000
1995-07-01	467700000.00000000
1995-10-01	1501500000.00000000
1996-01-01	583400000.00000000
1996-04-01	-431100000.00000000
1996-07-01	458300000.00000000
1996-10-01	2575900000.00000000
1997-01-01	2186700000.00000000
1997-04-01	857300000.00000000
1997-07-01	2721400000.00000000
1997-10-01	2836700000.00000000
1998-01-01	1965500000.00000000
1998-04-01	739100000.00000000
1998-07-01	244900000.00000000
1998-10-01	1727000000.00000000
1999-01-01	973900000.00000000
1999-04-01	1991100000.00000000
1999-07-01	6900000.00000000
1999-10-01	4227000000.00000000
2000-01-01	3942600000.00000000
2000-04-01	2486600000.00000000
2000-07-01	4586300000.00000000
2000-10-01	96600000.00000000
2001-01-01	3837400000.00000000
2001-04-01	423000000.00000000
2001-07-01	-267399999.99999997
2001-10-01	1053500000.00000000
2002-01-01	1385700000.00000000
2002-04-01	1377800000.00000000
2002-07-01	241000000.00000000
2002-10-01	1754800000.00000000
2003-01-01	550300000.00000000
2003-04-01	2175600000.00000000
2003-07-01	1593100000.00000000
2003-10-01	4356900000.00000000
2004-01-01	6494700000.00000000
2004-04-01	2471700000.00000000
2004-07-01	-696700000.00000000
2004-10-01	6710800000.00000000
2005-01-01	5158200000.00000000
2005-04-01	5483900000.00000000
2005-07-01	2614700000.00000000
2005-10-01	5389600000.00000000
2006-01-01	16637500000.00000000
2006-04-01	2592200000.00000000
2006-07-01	5181500000.00000000
2006-10-01	10590400000.00000000
2007-01-01	6040700000.00000000
2007-04-01	4618700000.00000000
2007-07-01	2546000000.00000000
2007-10-01	4642500000.00000000
2008-01-01	3109900000.00000000
2008-04-01	3838800000.00000000
2008-07-01	3944400000.00000000
2008-10-01	1249400000.00000000
2009-01-01	2307700000.00000000
2009-04-01	3166200000.00000000
2009-07-01	8619700000.00000000
2009-10-01	7907500000.00000000
2010-01-01	6325200000.00000000
2010-04-01	8141700000.00000000
2010-07-01	3762100000.00000000
2010-10-01	10146800000.00000000
2011-01-01	7958800000.00000000
2011-04-01	3178100000.00000000
2011-07-01	1774200000.00000000
2011-10-01	3153600000.00000000
2012-01-01	-1255600000.00000000
2012-04-01	2963100000.00000000
2012-07-01	425500000.00000000
2012-10-01	4751100000.00000000
2013-01-01	5030100000.00000000
2013-04-01	5382800000.00000000
2013-07-01	895400000.00000000
2013-10-01	9828500000.00000000
2014-01-01	9586000000.00000000
2014-04-01	4440800000.00000000
2014-07-01	7275500000.00000000
2014-10-01	5292300000.00000000
2015-01-01	9283000000.00000000
2015-04-01	1161000000.00000000
2015-07-01	1672100000.00000000
2015-10-01	11563500000.00000000
2016-01-01	5588700000.00000000
2016-04-01	1802100000.00000000
2016-07-01	11648400000.00000000
2016-10-01	8389200000.00000100
2017-01-01	8252799999.99999900
2017-04-01	3276800000.00000000
2017-07-01	6252400000.00000000
2017-10-01	9122000000.00000000
2018-01-01	4629700000.00000000
2018-04-01	3520800000.00000000