Month	Percent
2000-09-01	8.31
2000-10-01	8.36
2000-11-01	8.29
2000-12-01	8.34
2001-01-01	8.25
2001-02-01	8.17
2001-03-01	8.09
2001-04-01	8.00
2001-05-01	8.02
2001-06-01	8.05
2001-07-01	8.04
2001-08-01	7.99
2001-09-01	8.10
2001-10-01	8.08
2001-11-01	7.97
2001-12-01	7.75
2002-01-01	7.41
2002-02-01	7.32
2002-03-01	7.37
2002-04-01	7.47
2002-05-01	7.68
2002-06-01	7.83
2002-07-01	7.64
2002-08-01	7.24
2002-09-01	6.60
2002-10-01	6.11
2002-11-01	5.43
2002-12-01	5.12
2003-01-01	4.98
2003-02-01	4.92
2003-03-01	5.01
2003-04-01	4.90
2003-05-01	4.72
2003-06-01	4.70
2003-07-01	4.80
2003-08-01	4.92
2003-09-01	5.02
2003-10-01	5.08
2003-11-01	5.36
2003-12-01	5.42
2004-01-01	5.16
2004-02-01	5.11
2004-03-01	5.09
2004-04-01	5.06
2004-05-01	5.13
2004-06-01	5.09
2004-07-01	5.03
2004-08-01	5.02
2004-09-01	5.04
2004-10-01	5.08
2004-11-01	4.92
2004-12-01	4.58
2005-01-01	4.04
2005-02-01	3.80
2005-03-01	3.60
2005-04-01	3.76
2005-05-01	3.54
2005-06-01	3.36
2005-07-01	3.22
2005-08-01	3.24
2005-09-01	3.13
2005-10-01	3.25
2005-11-01	3.70
2005-12-01	3.62
2006-01-01	3.59
2006-02-01	3.75
2006-03-01	4.01
2006-04-01	4.27
2006-05-01	4.50
2006-06-01	4.66
2006-07-01	5.42
2006-08-01	5.13
2006-09-01	4.79
2006-10-01	4.42
2006-11-01	4.25
2006-12-01	4.15
2007-01-01	4.25
2007-02-01	4.28
2007-03-01	4.24
2007-04-01	4.26
2007-05-01	4.40
2007-06-01	4.66
2007-07-01	4.70
2007-08-01	4.65
2007-09-01	4.61
2007-10-01	4.64
2007-11-01	4.59
2007-12-01	4.61
2008-01-01	4.48
2008-02-01	4.36
2008-03-01	4.34
2008-04-01	4.46
2008-05-01	4.52
2008-06-01	4.94
2008-07-01	5.06
2008-08-01	4.95
2008-09-01	4.98
2008-10-01	4.95
2008-11-01	4.92
2008-12-01	4.72
2009-01-01	4.69
2009-02-01	4.76
2009-03-01	4.71
2009-04-01	4.93
2009-05-01	5.03
2009-06-01	5.08
2009-07-01	5.04
2009-08-01	4.90
2009-09-01	4.66
2009-10-01	4.33
2009-11-01	4.23
2009-12-01	4.12
2010-01-01	4.11
2010-02-01	4.08
2010-03-01	4.01
2010-04-01	3.93
2010-05-01	3.82
2010-06-01	3.73
2010-07-01	3.93
2010-08-01	3.73
2010-09-01	3.59
2010-10-01	3.67
2010-11-01	3.80
2010-12-01	4.06
2011-01-01	4.16
2011-02-01	4.03
2011-03-01	4.14
2011-04-01	4.33
2011-05-01	4.33
2011-06-01	4.39
2011-07-01	4.55
2011-08-01	4.55
2011-09-01	4.25
2011-10-01	4.33
2011-11-01	4.71
2011-12-01	5.21
2012-01-01	5.22
2012-02-01	4.98
2012-03-01	4.91
2012-04-01	4.81
2012-05-01	4.80
2012-06-01	4.80
2012-07-01	4.41
2012-08-01	4.24
2012-09-01	4.20
2012-10-01	4.20
2012-11-01	4.14
2012-12-01	3.92
2013-01-01	3.93
2013-02-01	3.95
2013-03-01	3.95
2013-04-01	3.01
2013-05-01	2.52
2013-06-01	2.45
2013-07-01	3.15
2013-08-01	3.15
2013-09-01	3.15
2013-10-01	3.15
2013-11-01	3.15
2013-12-01	2.69
2014-01-01	2.53
2014-02-01	2.48
2014-03-01	2.47
2014-04-01	2.47
2014-05-01	2.73
2014-06-01	2.73
2014-07-01	2.07
2014-08-01	1.81
2014-09-01	1.57
2014-10-01	1.39
2014-11-01	1.38
2014-12-01	1.22
2015-01-01	1.10
2015-02-01	0.66
2015-03-01	0.52
2015-04-01	0.96
2015-05-01	0.92
2015-06-01	1.15
2015-07-01	1.25
2015-08-01	0.99
2015-09-01	0.89
2015-10-01	0.75
2015-11-01	0.71
2015-12-01	0.72
2016-01-01	0.71
2016-02-01	0.56
2016-03-01	0.43
2016-04-01	0.38
2016-05-01	0.41
2016-06-01	0.77
2016-07-01	0.49
2016-08-01	0.30
2016-09-01	0.32
2016-10-01	0.42
2016-11-01	0.72
2016-12-01	1.01
2017-01-01	1.03
2017-02-01	1.09
2017-03-01	1.09
2017-04-01	1.06
2017-05-01	1.03
2017-06-01	0.86
2017-07-01	0.93
2017-08-01	0.83
2017-09-01	0.82
2017-10-01	0.83
2017-11-01	0.76
2017-12-01	0.67
2018-01-01	0.69
2018-02-01	0.77
2018-03-01	0.80
2018-04-01	0.75
2018-05-01	0.75
2018-06-01	1.01
2018-07-01	0.94
2018-08-01	0.92
2018-09-01	0.98