Month	Percent
2007-01-01	56.75
2007-02-01	59.52
2007-03-01	59.03
2007-04-01	60.95
2007-05-01	59.52
2007-06-01	59.95
2007-07-01	60.10
2007-08-01	60.08
2007-09-01	60.44
2007-10-01	63.01
2007-11-01	62.29
2007-12-01	60.68
2008-01-01	58.44
2008-02-01	60.98
2008-03-01	61.24
2008-04-01	61.51
2008-05-01	61.58
2008-06-01	59.34
2008-07-01	60.49
2008-08-01	60.10
2008-09-01	60.83
2008-10-01	60.95
2008-11-01	59.61
2008-12-01	61.06
2009-01-01	58.35
2009-02-01	60.66
2009-03-01	61.58
2009-04-01	62.47
2009-05-01	62.97
2009-06-01	62.90
2009-07-01	62.35
2009-08-01	61.89
2009-09-01	62.08
2009-10-01	65.00
2009-11-01	64.37
2009-12-01	63.53
2010-01-01	61.03
2010-02-01	62.58
2010-03-01	62.44
2010-04-01	63.73
2010-05-01	62.89
2010-06-01	63.70
2010-07-01	63.18
2010-08-01	63.83
2010-09-01	65.11
2010-10-01	65.86
2010-11-01	65.19
2010-12-01	64.29
2011-01-01	62.58
2011-02-01	62.61
2011-03-01	64.23
2011-04-01	64.19
2011-05-01	64.67
2011-06-01	64.57
2011-07-01	64.26
2011-08-01	64.78
2011-09-01	65.98
2011-10-01	69.00
2011-11-01	67.49
2011-12-01	66.68
2012-01-01	64.26
2012-02-01	64.95
2012-03-01	66.12
2012-04-01	65.97
2012-05-01	66.39
2012-06-01	67.29
2012-07-01	65.56
2012-08-01	66.67
2012-09-01	65.98
2012-10-01	68.45
2012-11-01	66.88
2012-12-01	66.88
2013-01-01	64.21
2013-02-01	64.18
2013-03-01	65.06
2013-04-01	66.02
2013-05-01	67.58
2013-06-01	66.50
2013-07-01	66.42
2013-08-01	67.41
2013-09-01	66.94
2013-10-01	69.31
2013-11-01	67.22
2013-12-01	67.61
2014-01-01	65.05
2014-02-01	65.26
2014-03-01	65.78
2014-04-01	66.83
2014-05-01	67.14
2014-06-01	67.15
2014-07-01	66.47
2014-08-01	67.28
2014-09-01	68.02
2014-10-01	69.64
2014-11-01	68.81
2014-12-01	67.23
2015-01-01	65.22
2015-02-01	65.81
2015-03-01	66.87
2015-04-01	67.46
2015-05-01	67.63
2015-06-01	67.96
2015-07-01	67.24
2015-08-01	67.53
2015-09-01	67.79
2015-10-01	69.96
2015-11-01	69.67
2015-12-01	68.35
2016-01-01	64.91
2016-02-01	66.51
2016-03-01	65.64
2016-04-01	67.89
2016-05-01	67.11
2016-06-01	67.75
2016-07-01	65.79
2016-08-01	67.28
2016-09-01	67.64
2016-10-01	68.95
2016-11-01	69.02
2016-12-01	67.64
2017-01-01	64.66
2017-02-01	66.03
2017-03-01	66.04
2017-04-01	67.52
2017-05-01	66.59
2017-06-01	68.29
2017-07-01	66.28
2017-08-01	67.39
2017-09-01	67.03
2017-10-01	68.25
2017-11-01	67.70
2017-12-01	67.43
2018-01-01	64.19
2018-02-01	64.55
2018-03-01	65.86
2018-04-01	67.15
2018-05-01	66.17
2018-06-01	66.94
2018-07-01	66.22