Month	Percent
2001-01-01	9.31
2001-02-01	9.77
2001-03-01	8.64
2001-04-01	8.50
2001-05-01	8.46
2001-06-01	8.46
2001-07-01	8.46
2001-08-01	8.01
2001-09-01	7.99
2001-10-01	7.62
2001-11-01	6.28
2001-12-01	6.34
2002-01-01	6.47
2002-02-01	6.43
2002-03-01	5.92
2002-04-01	6.15
2002-05-01	6.15
2002-06-01	6.10
2002-07-01	6.00
2002-08-01	6.00
2002-09-01	5.92
2002-10-01	5.87
2002-11-01	5.87
2002-12-01	5.87
2003-01-01	5.85
2003-02-01	5.67
2003-03-01	5.67
2003-04-01	5.65
2003-05-01	5.63
2003-06-01	5.50
2003-07-01	5.38
2003-08-01	5.04
2003-09-01	5.04
2003-10-01	4.82
2003-11-01	4.81
2003-12-01	4.81
2004-01-01	4.81
2004-02-01	4.81
2004-03-01	4.64
2004-04-01	4.55
2004-05-01	4.46
2004-06-01	4.47
2004-07-01	4.58
2004-08-01	4.57
2004-09-01	4.56
2004-10-01	4.38
2004-11-01	4.25
2004-12-01	3.95
2005-01-01	3.85
2005-02-01	3.80
2005-03-01	3.73
2005-04-01	3.82
2005-05-01	3.87
2005-06-01	3.78
2005-07-01	3.61
2005-08-01	3.50
2005-09-01	3.50
2005-10-01	3.50
2005-11-01	3.64
2005-12-01	3.79
2006-01-01	3.62
2006-02-01	3.53
2006-03-01	3.75
2006-04-01	3.92
2006-05-01	4.13
2006-06-01	4.34
2006-07-01	4.28
2006-08-01	4.28
2006-09-01	4.28
2006-10-01	4.28
2006-11-01	4.28
2006-12-01	4.28
2007-01-01	4.28
2007-02-01	4.28
2007-03-01	4.24
2007-04-01	4.18
2007-05-01	4.36
2007-06-01	4.57
2007-07-01	4.89
2007-08-01	4.80
2007-09-01	4.72
2007-10-01	4.72
2007-11-01	4.57
2007-12-01	4.94
2008-01-01	4.73
2008-02-01	4.51
2008-03-01	4.36
2008-04-01	4.59
2008-05-01	4.80
2008-06-01	5.33
2008-07-01	5.49
2008-08-01	5.47
2008-09-01	5.45
2008-10-01	5.40
2008-11-01	8.16
2008-12-01	9.00
2009-01-01	13.95
2009-02-01	14.50
2009-03-01	14.50
2009-04-01	14.50
2009-05-01	14.50
2009-06-01	14.50
2009-07-01	14.50
2009-08-01	14.50
2009-09-01	14.50
2009-10-01	14.50
2009-11-01	14.50
2009-12-01	9.10
2010-01-01	8.15
2010-02-01	7.15
2010-03-01	5.15
2010-04-01	5.15
2010-05-01	5.15
2010-06-01	5.15
2010-07-01	5.15
2010-08-01	5.15
2010-09-01	5.15
2010-10-01	5.15
2010-11-01	5.15
2010-12-01	5.15
2011-01-01	5.15
2011-02-01	5.15
2011-03-01	5.15
2011-04-01	5.12
2011-05-01	5.05
2011-06-01	5.05
2011-07-01	5.05
2011-08-01	5.05
2011-09-01	5.09
2011-10-01	5.06
2011-11-01	5.25
2011-12-01	5.75
2012-01-01	5.35
2012-02-01	5.15
2012-03-01	5.29
2012-04-01	5.30
2012-05-01	5.30
2012-06-01	4.96
2012-07-01	4.82
2012-08-01	4.84
2012-09-01	4.53
2012-10-01	4.32
2012-11-01	4.11
2012-12-01	4.00
2013-01-01	3.97
2013-02-01	4.06
2013-03-01	4.15
2013-04-01	3.95
2013-05-01	3.54
2013-06-01	3.54
2013-07-01	3.54
2013-08-01	3.65
2013-09-01	3.89
2013-10-01	4.01
2013-11-01	3.99
2013-12-01	3.69
2014-01-01	3.42
2014-02-01	3.33
2014-03-01	3.33
2014-04-01	3.26
2014-05-01	2.98
2014-06-01	2.92
2014-07-01	2.90
2014-08-01	2.61
2014-09-01	2.42
2014-10-01	2.27
2014-11-01	2.17
2014-12-01	1.90
2015-01-01	1.66
2015-02-01	1.20
2015-03-01	1.11
2015-04-01	0.58
2015-05-01	0.99
2015-06-01	1.41
2015-07-01	1.64
2015-08-01	1.64
2015-09-01	1.64
2015-10-01	1.64
2015-11-01	1.57
2015-12-01	1.49
2016-01-01	1.47
2016-02-01	1.42
2016-03-01	1.42
2016-04-01	1.31
2016-05-01	0.86
2016-06-01	0.86
2016-07-01	0.86
2016-08-01	0.86
2016-09-01	0.79
2016-10-01	0.31
2016-11-01	0.31
2016-12-01	0.31
2017-01-01	0.31
2017-02-01	0.31
2017-03-01	0.31
2017-04-01	0.31
2017-05-01	0.31
2017-06-01	0.31
2017-07-01	0.31
2017-08-01	0.31
2017-09-01	0.31
2017-10-01	0.31
2017-11-01	0.31
2017-12-01	0.31
2018-01-01	0.31
2018-02-01	0.31
2018-03-01	0.31
2018-04-01	0.31
2018-05-01	0.31
2018-06-01	0.31
2018-07-01	0.31
2018-08-01	0.31
2018-09-01	0.31