Month	Percent
2007-01-01	53.63
2007-02-01	56.05
2007-03-01	55.52
2007-04-01	57.56
2007-05-01	56.20
2007-06-01	56.44
2007-07-01	56.39
2007-08-01	56.48
2007-09-01	56.87
2007-10-01	59.60
2007-11-01	58.85
2007-12-01	57.08
2008-01-01	55.04
2008-02-01	57.11
2008-03-01	57.74
2008-04-01	58.03
2008-05-01	57.89
2008-06-01	55.81
2008-07-01	56.87
2008-08-01	56.53
2008-09-01	57.10
2008-10-01	57.64
2008-11-01	55.95
2008-12-01	57.38
2009-01-01	55.13
2009-02-01	57.40
2009-03-01	58.20
2009-04-01	59.21
2009-05-01	59.42
2009-06-01	59.30
2009-07-01	58.94
2009-08-01	58.23
2009-09-01	58.50
2009-10-01	61.24
2009-11-01	60.66
2009-12-01	60.19
2010-01-01	57.75
2010-02-01	59.23
2010-03-01	59.00
2010-04-01	60.30
2010-05-01	59.51
2010-06-01	60.30
2010-07-01	59.40
2010-08-01	60.32
2010-09-01	61.48
2010-10-01	62.11
2010-11-01	61.67
2010-12-01	60.85
2011-01-01	58.91
2011-02-01	59.23
2011-03-01	60.71
2011-04-01	60.55
2011-05-01	61.22
2011-06-01	60.91
2011-07-01	60.66
2011-08-01	61.09
2011-09-01	62.29
2011-10-01	65.03
2011-11-01	63.81
2011-12-01	62.64
2012-01-01	60.59
2012-02-01	61.43
2012-03-01	62.48
2012-04-01	62.14
2012-05-01	62.77
2012-06-01	63.55
2012-07-01	61.97
2012-08-01	62.91
2012-09-01	62.03
2012-10-01	64.21
2012-11-01	62.98
2012-12-01	62.96
2013-01-01	60.69
2013-02-01	60.76
2013-03-01	61.25
2013-04-01	61.82
2013-05-01	63.73
2013-06-01	62.73
2013-07-01	62.63
2013-08-01	63.36
2013-09-01	62.77
2013-10-01	65.19
2013-11-01	63.43
2013-12-01	63.52
2014-01-01	61.19
2014-02-01	61.27
2014-03-01	61.73
2014-04-01	62.90
2014-05-01	63.10
2014-06-01	63.13
2014-07-01	62.50
2014-08-01	63.45
2014-09-01	63.87
2014-10-01	65.64
2014-11-01	64.80
2014-12-01	63.04
2015-01-01	61.36
2015-02-01	62.00
2015-03-01	62.84
2015-04-01	63.59
2015-05-01	63.57
2015-06-01	63.72
2015-07-01	63.06
2015-08-01	63.43
2015-09-01	63.43
2015-10-01	65.73
2015-11-01	65.35
2015-12-01	63.91
2016-01-01	61.25
2016-02-01	62.32
2016-03-01	61.44
2016-04-01	63.57
2016-05-01	62.79
2016-06-01	63.53
2016-07-01	61.68
2016-08-01	63.06
2016-09-01	63.07
2016-10-01	64.85
2016-11-01	64.53
2016-12-01	63.28
2017-01-01	60.68
2017-02-01	61.64
2017-03-01	61.83
2017-04-01	63.35
2017-05-01	62.44
2017-06-01	63.92
2017-07-01	62.00
2017-08-01	63.00
2017-09-01	62.55
2017-10-01	63.95
2017-11-01	63.41
2017-12-01	62.97
2018-01-01	59.96
2018-02-01	60.51
2018-03-01	61.60
2018-04-01	62.63
2018-05-01	61.98
2018-06-01	62.72
2018-07-01	61.79