Month	Net Percent
1987-01-01	28
1987-02-01	32
1987-03-01	30
1987-04-01	27
1987-05-01	23
1987-06-01	16
1987-07-01	9.0
1987-08-01	19
1987-09-01	22
1987-10-01	18
1987-11-01	17
1987-12-01	15
1988-01-01	23
1988-02-01	21
1988-03-01	17
1988-04-01	20
1988-05-01	15
1988-06-01	11
1988-07-01	3.0
1988-08-01	9.0
1988-09-01	14
1988-10-01	13
1988-11-01	17
1988-12-01	19
1989-01-01	19
1989-02-01	17
1989-03-01	19
1989-04-01	17
1989-05-01	13
1989-06-01	4.0
1989-07-01	4.0
1989-08-01	14
1989-09-01	13
1989-10-01	11
1989-11-01	9.0
1989-12-01	12
1990-01-01	16
1990-02-01	16
1990-03-01	19
1990-04-01	20
1990-05-01	11
1990-06-01	8.0
1990-07-01	4.0
1990-08-01	14
1990-09-01	14
1990-10-01	7.0
1990-11-01	8.0
1990-12-01	12
1991-01-01	16
1991-02-01	3.0
1991-03-01	13
1991-04-01	14
1991-05-01	9.0
1991-06-01	2.0
1991-07-01	2.0
1991-08-01	8.0
1991-09-01	11
1991-10-01	10
1991-11-01	8.0
1991-12-01	5.0
1992-01-01	7.0
1992-02-01	9.0
1992-03-01	10
1992-04-01	10
1992-05-01	4.0
1992-06-01	-6
1992-07-01	-4
1992-08-01	-1
1992-09-01	2.0
1992-10-01	4.0
1992-11-01	-11.0
1992-12-01	-6
1993-01-01	-8
1993-02-01	-5
1993-03-01	-10.0
1993-04-01	-6
1993-05-01	-9
1993-06-01	-15.0
1993-07-01	-19.0
1993-08-01	-9
1993-09-01	-7
1993-10-01	-6
1993-11-01	-3
1993-12-01	-1
1994-01-01	0.0
1994-02-01	3.0
1994-03-01	7.0
1994-04-01	12
1994-05-01	9.0
1994-06-01	6.0
1994-07-01	9.0
1994-08-01	15
1994-09-01	14
1994-10-01	19
1994-11-01	10
1994-12-01	7.0
1995-01-01	9.0
1995-02-01	15
1995-03-01	10
1995-04-01	8.0
1995-05-01	7.0
1995-06-01	3.0
1995-07-01	2.0
1995-08-01	7.0
1995-09-01	6.0
1995-10-01	5.0
1995-11-01	2.0
1995-12-01	7.0
1996-01-01	4.0
1996-02-01	8.0
1996-03-01	4.0
1996-04-01	9.0
1996-05-01	2.0
1996-06-01	6.0
1996-07-01	-4
1996-08-01	4.0
1996-09-01	0.0
1996-10-01	10
1996-11-01	2.0
1996-12-01	8.0
1997-01-01	24
1997-02-01	18
1997-03-01	20
1997-04-01	23
1997-05-01	17
1997-06-01	10
1997-07-01	6.0
1997-08-01	4.0
1997-09-01	5.0
1997-10-01	6.0
1997-11-01	4.0
1997-12-01	14
1998-01-01	12
1998-02-01	12
1998-03-01	18
1998-04-01	15
1998-05-01	10
1998-06-01	2.0
1998-07-01	4.0
1998-08-01	9.0
1998-09-01	11
1998-10-01	5.0
1998-11-01	2.0
1998-12-01	6.0
1999-01-01	11
1999-02-01	8.0
1999-03-01	8.0
1999-04-01	8.0
1999-05-01	6.0
1999-06-01	4.0
1999-07-01	5.0
1999-08-01	1.0
1999-09-01	0.0
1999-10-01	6.0
1999-11-01	1.0
1999-12-01	6.0
2000-01-01	15
2000-02-01	16
2000-03-01	13
2000-04-01	13
2000-05-01	11
2000-06-01	9.0
2000-07-01	4.0
2000-08-01	15
2000-09-01	8.0
2000-10-01	12
2000-11-01	8.0
2000-12-01	8.0
2001-01-01	12
2001-02-01	12
2001-03-01	9.0
2001-04-01	9.0
2001-05-01	4.0
2001-06-01	-4
2001-07-01	0.0
2001-08-01	1.0
2001-09-01	2.0
2001-10-01	-1
2001-11-01	-1
2001-12-01	-4
2002-01-01	1.0
2002-02-01	3.0
2002-03-01	10
2002-04-01	8.0
2002-05-01	-1
2002-06-01	-1
2002-07-01	-8
2002-08-01	-2
2002-09-01	-2
2002-10-01	-7
2002-11-01	-12.0
2002-12-01	-7
2003-01-01	-5
2003-02-01	5.0
2003-03-01	-5
2003-04-01	-7
2003-05-01	-2
2003-06-01	-3
2003-07-01	0.0
2003-08-01	1.0
2003-09-01	0.0
2003-10-01	3.0
2003-11-01	-8
2003-12-01	0.0
2004-01-01	-2
2004-02-01	0.0
2004-03-01	-1
2004-04-01	-3
2004-05-01	5.0
2004-06-01	3.0
2004-07-01	-2
2004-08-01	0.0
2004-09-01	2.0
2004-10-01	-2
2004-11-01	-2
2004-12-01	-3
2005-01-01	-7
2005-02-01	1.0
2005-03-01	2.0
2005-04-01	14
2005-05-01	3.0
2005-06-01	-6
2005-07-01	-8
2005-08-01	-3
2005-09-01	-3
2005-10-01	0.0
2005-11-01	-6
2005-12-01	-1
2006-01-01	-4
2006-02-01	3.0
2006-03-01	0.0
2006-04-01	2.0
2006-05-01	6.0
2006-06-01	1.0
2006-07-01	1.0
2006-08-01	2.0
2006-09-01	7.0
2006-10-01	6.0
2006-11-01	1.0
2006-12-01	-1
2007-01-01	7.0
2007-02-01	13
2007-03-01	9.0
2007-04-01	6.0
2007-05-01	6.0
2007-06-01	-1
2007-07-01	2.0
2007-08-01	3.0
2007-09-01	4.0
2007-10-01	1.0
2007-11-01	4.0
2007-12-01	4.0
2008-01-01	6.0
2008-02-01	8.0
2008-03-01	6.0
2008-04-01	-1
2008-05-01	12
2008-06-01	5.0
2008-07-01	0.0
2008-08-01	5.0
2008-09-01	-4
2008-10-01	-17.0
2008-11-01	-29.0
2008-12-01	-30.0
2009-01-01	-30.0
2009-02-01	-28.0
2009-03-01	-10.0
2009-04-01	-22.0
2009-05-01	-9.9
2009-06-01	-13.4
2009-07-01	-11.1
2009-08-01	-5.8
2009-09-01	4.0
2009-10-01	-3.9
2009-11-01	-0.1
2009-12-01	-4.3
2010-01-01	-8.9
2010-02-01	1.9
2010-03-01	5.5
2010-04-01	0.1
2010-05-01	2.9
2010-06-01	3.5
2010-07-01	0.7
2010-08-01	-0.9
2010-09-01	3.7
2010-10-01	-3
2010-11-01	-7.9
2010-12-01	-1.6
2011-01-01	0.7
2011-02-01	-0.6
2011-03-01	-1.6
2011-04-01	-1.2
2011-05-01	1.4
2011-06-01	-6.9
2011-07-01	-8.7
2011-08-01	-7.5
2011-09-01	-16.5
2011-10-01	-10.0
2011-11-01	-14.3
2011-12-01	-19.6