Month	Percent
1996-10-31	8.7
1996-11-30	25.3
1996-12-31	5.4
1997-01-31	26.5
1997-02-28	27.8
1997-03-31	55.7
1997-04-30	20.2
1997-05-31	22.6
1997-06-30	17.1
1997-07-31	25.4
1997-08-31	-1.6
1997-09-30	3.6
1997-10-31	-7
1997-11-30	23.6
1997-12-31	18.3
1998-01-31	35
1998-02-28	35.6
1998-03-31	29.5
1998-04-30	27.5
1998-05-31	8.8
1998-06-30	5.9
1998-07-31	18.1
1998-08-31	7.9
1998-09-30	15.1
1998-10-31	-0.9
1998-11-30	-2.8
1998-12-31	-7.5
1999-01-31	-3
1999-02-28	20.1
1999-03-31	22.6
1999-04-30	20.2
1999-05-31	0.1
1999-06-30	13.8
1999-07-31	2.3
1999-08-31	17.2
1999-09-30	-4.6
1999-10-31	8.3
1999-11-30	10.6
1999-12-31	19.2
2000-01-31	9
2000-02-29	8.8
2000-03-31	32.4
2000-04-30	26.4
2000-05-31	26.1
2000-06-30	6.3
2000-07-31	12.8
2000-08-31	28.3
2000-09-30	15
2000-10-31	29.7
2000-11-30	14.7
2000-12-31	25
2001-01-31	10.4
2001-02-28	7.8
2001-03-31	24.4
2001-04-30	7.1
2001-05-31	3.7
2001-06-30	2.4
2001-07-31	13.6
2001-08-31	19.7
2001-09-30	-3.8
2001-10-31	11.9
2001-11-30	-1.2
2001-12-31	-3.5
2002-01-31	-5.7
2002-02-28	-4.4
2002-03-31	11.9
2002-04-30	-6.1
2002-05-31	-0.8
2002-06-30	6.9
2002-07-31	3.7
2002-08-31	-0.5
2002-09-30	8.9
2002-10-31	33.1
2002-11-30	35.2
2002-12-31	-8.7
2003-01-31	-14
2003-02-28	-11.9
2003-03-31	9.5
2003-04-30	13.8
2003-05-31	10.2
2003-06-30	9
2003-07-31	2.8
2003-08-31	-6.1
2003-09-30	3.8
2003-10-31	22.9
2003-11-30	32.5
2003-12-31	16.6
2004-01-31	14.5
2004-02-29	6.1
2004-03-31	19.5
2004-04-30	11.5
2004-05-31	19.7
2004-06-30	14.8
2004-07-31	13.2
2004-08-31	20.3
2004-09-30	25.3
2004-10-31	27.2
2004-11-30	22.7
2004-12-31	12.8
2005-01-31	12.7
2005-02-28	14.1
2005-03-31	15.7
2005-04-30	6.6
2005-05-31	10.1
2005-06-30	3.4
2005-07-31	14.8
2005-08-31	3.5
2005-09-30	21.3
2005-10-31	21.1
2005-11-30	9.2
2005-12-31	11.6
2006-01-31	18.7
2006-02-28	48.6
2006-03-31	43.7
2006-04-30	49.9
2006-05-31	40.5
2006-06-30	46.6
2006-07-31	18.8
2006-08-31	19.3
2006-09-30	4.7
2006-10-31	11.6
2006-11-30	17.4
2006-12-31	4.3
2007-01-31	25.2
2007-02-28	18.7
2007-03-31	35.5
2007-04-30	15.1
2007-05-31	33
2007-06-30	28.5
2007-07-31	26
2007-08-31	25.3
2007-09-30	41.2
2007-10-31	37.3
2007-11-30	22.1
2007-12-31	9.6
2008-01-31	27.7
2008-02-29	19.8
2008-03-31	20.7
2008-04-30	25.4
2008-05-31	20.7
2008-06-30	50.8
2008-07-31	39.9
2008-08-31	76.1
2008-09-30	64.2
2008-10-31	100.5
2008-11-30	76
2008-12-31	74.3
2009-01-31	42.2
2009-02-28	49.4
2009-03-31	36.4
2009-04-30	11.3
2009-05-31	0.5
2009-06-30	-14
2009-07-31	-6.1
2009-08-31	-4.9
2009-09-30	11.6
2009-10-31	29.2
2009-11-30	20
2009-12-31	2.6
2010-01-31	-4.8
2010-02-28	-4.1
2010-03-31	4.3
2010-04-30	-11.3
2010-05-31	-4.7
2010-06-30	-5.3
2010-07-31	-6
2010-08-31	-17.2
2010-09-30	-11.1
2010-10-31	9.4
2010-11-30	10.8
2010-12-31	-15.3
2011-01-31	-24.9
2011-02-28	-15.2
2011-03-31	4.6
2011-04-30	12.5
2011-05-31	6.5
2011-06-30	5.4
2011-07-31	-7.4
2011-08-31	0.7
2011-09-30	-4
2011-10-31	-12.5
2011-11-30	-22.2
2011-12-31	-22.7
2012-01-31	-18.6
2012-02-29	-21.4
2012-03-31	-24.6
2012-04-30	-14.6
2012-05-31	-10
2012-06-30	-18.2
2012-07-31	-24.3
2012-08-31	-20.8
2012-09-30	-3
2012-10-31	2.2
2012-11-30	4.9
2012-12-31	19.8
2013-01-31	12.9
2013-02-28	7.6
2013-03-31	-16.2
2013-04-30	-13.7
2013-05-31	-12.6
2013-06-30	-9.5
2013-07-31	-8
2013-08-31	1.8
2013-09-30	9.8
2013-10-31	0.9
2013-11-30	-5.1
2013-12-31	-24.3
2014-01-31	-21.5
2014-02-28	-23.5
2014-03-31	-31.3
2014-04-30	-35.2
2014-05-31	-35.9
2014-06-30	-11.5
2014-07-31	1
2014-08-31	-1
2014-09-30	-5.7
2014-10-31	-13
2014-11-30	-16
2014-12-31	-11.8
2015-01-31	-11.9
2015-02-28	-8.6
2015-03-31	-6.6