Month	Percent
2007-01-01	36.04
2007-02-01	37.56
2007-03-01	35.94
2007-04-01	38.92
2007-05-01	36.32
2007-06-01	38.31
2007-07-01	38.21
2007-08-01	36.78
2007-09-01	37.59
2007-10-01	40.25
2007-11-01	39.63
2007-12-01	40.06
2008-01-01	35.00
2008-02-01	37.51
2008-03-01	38.47
2008-04-01	38.21
2008-05-01	38.97
2008-06-01	36.61
2008-07-01	37.65
2008-08-01	36.27
2008-09-01	37.30
2008-10-01	37.73
2008-11-01	34.94
2008-12-01	39.04
2009-01-01	34.58
2009-02-01	38.64
2009-03-01	40.30
2009-04-01	38.76
2009-05-01	40.18
2009-06-01	40.43
2009-07-01	40.11
2009-08-01	38.64
2009-09-01	39.10
2009-10-01	44.21
2009-11-01	41.69
2009-12-01	41.56
2010-01-01	38.46
2010-02-01	40.57
2010-03-01	38.63
2010-04-01	39.60
2010-05-01	38.99
2010-06-01	40.14
2010-07-01	39.95
2010-08-01	41.31
2010-09-01	42.74
2010-10-01	43.79
2010-11-01	42.09
2010-12-01	42.95
2011-01-01	39.68
2011-02-01	39.27
2011-03-01	40.54
2011-04-01	40.37
2011-05-01	41.76
2011-06-01	40.69
2011-07-01	41.17
2011-08-01	41.01
2011-09-01	43.36
2011-10-01	49.91
2011-11-01	46.08
2011-12-01	46.69
2012-01-01	42.71
2012-02-01	43.18
2012-03-01	42.69
2012-04-01	43.19
2012-05-01	44.90
2012-06-01	45.74
2012-07-01	43.29
2012-08-01	44.51
2012-09-01	43.50
2012-10-01	46.68
2012-11-01	45.25
2012-12-01	46.08
2013-01-01	42.65
2013-02-01	42.58
2013-03-01	41.64
2013-04-01	42.99
2013-05-01	46.10
2013-06-01	42.66
2013-07-01	42.04
2013-08-01	45.18
2013-09-01	43.75
2013-10-01	47.48
2013-11-01	45.21
2013-12-01	47.92
2014-01-01	43.41
2014-02-01	42.30
2014-03-01	41.60
2014-04-01	43.13
2014-05-01	44.79
2014-06-01	44.38
2014-07-01	42.92
2014-08-01	44.28
2014-09-01	45.40
2014-10-01	48.56
2014-11-01	45.52
2014-12-01	46.03
2015-01-01	44.03
2015-02-01	41.87
2015-03-01	43.43
2015-04-01	45.38
2015-05-01	44.57
2015-06-01	45.19
2015-07-01	44.32
2015-08-01	43.26
2015-09-01	44.24
2015-10-01	48.87
2015-11-01	47.18
2015-12-01	48.07
2016-01-01	42.26
2016-02-01	44.01
2016-03-01	42.49
2016-04-01	43.78
2016-05-01	42.67
2016-06-01	43.85
2016-07-01	41.50
2016-08-01	44.62
2016-09-01	43.47
2016-10-01	46.33
2016-11-01	45.95
2016-12-01	44.53
2017-01-01	42.43
2017-02-01	42.95
2017-03-01	42.26
2017-04-01	43.57
2017-05-01	43.67
2017-06-01	44.80
2017-07-01	41.28
2017-08-01	43.09
2017-09-01	41.73
2017-10-01	44.64
2017-11-01	43.56
2017-12-01	45.46
2018-01-01	39.69
2018-02-01	40.89
2018-03-01	39.92
2018-04-01	43.17
2018-05-01	42.55
2018-06-01	43.66
2018-07-01	42.61