Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	-4455700000.0000000
1990-04-01	-5448000000.0000000
1990-07-01	-2687700000.0000000
1990-10-01	-5380300000.0000000
1991-01-01	-4809300000.0000000
1991-04-01	-6421800000.0000000
1991-07-01	-3963800000.0000000
1991-10-01	-4769500000.0000000
1992-01-01	-6047000000.0000000
1992-04-01	-8492400000.0000000
1992-07-01	-4389700000.0000000
1992-10-01	-2604700000.0000000
1993-01-01	-2476600000.0000000
1993-04-01	-2816800000.0000000
1993-07-01	273700000.0000000
1993-10-01	-785700000.0000000
1994-01-01	-1257700000.0000000
1994-04-01	-2099100000.0000000
1994-07-01	-762000000.0000000
1994-10-01	-2269700000.0000000
1995-01-01	-3201600000.0000000
1995-04-01	-1459800000.0000000
1995-07-01	1150700000.0000000
1995-10-01	1861800000.0000000
1996-01-01	-2871200000.0000000
1996-04-01	-1744000000.0000000
1996-07-01	1927000000.0000000
1996-10-01	1197200000.0000000
1997-01-01	-2532900000.0000000
1997-04-01	-475500000.0000000
1997-07-01	2289700000.0000000
1997-10-01	1900000.0000000
1998-01-01	-3543400000.0000000
1998-04-01	-1367200000.0000000
1998-07-01	1069900000.0000001
1998-10-01	-3260900000.0000000
1999-01-01	-4594800000.0000000
1999-04-01	-4579000000.0000000
1999-07-01	-3283800000.0000000
1999-10-01	-5613500000.0000000
2000-01-01	-7504400000.0000000
2000-04-01	-5942600000.0000000
2000-07-01	-5169600000.0000000
2000-10-01	-4577200000.0000000
2001-01-01	-8081300000.0000000
2001-04-01	-6429200000.0000000
2001-07-01	-4318500000.0000000
2001-10-01	-5250200000.0000000
2002-01-01	-6700300000.0000000
2002-04-01	-5434200000.0000000
2002-07-01	-4280800000.0000000
2002-10-01	-5862400000.0000000
2003-01-01	-9456900000.0000000
2003-04-01	-7362800000.0000000
2003-07-01	-7017000000.0000000
2003-10-01	-7081800000.0000000
2004-01-01	-14102700000.0000000
2004-04-01	-13419200000.0000000
2004-07-01	-13480300000.0000000
2004-10-01	-13891500000.0000000
2005-01-01	-23844400000.0000000
2005-04-01	-20692600000.0000000
2005-07-01	-18622000000.0000000
2005-10-01	-20161900000.0000000
2006-01-01	-27498400000.0000000
2006-04-01	-25124600000.0000000
2006-07-01	-27573200000.0000000
2006-10-01	-30737600000.0000000
2007-01-01	-33416699999.9999960
2007-04-01	-33062000000.0000000
2007-07-01	-36657100000.0000000
2007-10-01	-41430700000.0000000
2008-01-01	-46968800000.0000000
2008-04-01	-43317300000.0000000
2008-07-01	-33329300000.0000040
2008-10-01	-30690800000.0000000
2009-01-01	-25199000000.0000000
2009-04-01	-12465200000.0000000
2009-07-01	-12719200000.0000000
2009-10-01	-19383200000.0000000
2010-01-01	-21568100000.0000000
2010-04-01	-15503700000.0000000
2010-07-01	-12041200000.0000000
2010-10-01	-13380200000.0000000
2011-01-01	-22135600000.0000000
2011-04-01	-11051400000.0000000
2011-07-01	-9639500000.0000000
2011-10-01	-11145800000.0000000
2012-01-01	-18182700000.0000000
2012-04-01	-4517200000.0000000
2012-07-01	1029800000.0000000
2012-10-01	5369100000.0000000
2013-01-01	-5644800000.0000000
2013-04-01	4336400000.0000000
2013-07-01	6013500000.0000000
2013-10-01	5965200000.0000000
2014-01-01	-11275500000.0000000
2014-04-01	-2335900000.0000000