Month	Percent
2007-01-01	25.94
2007-02-01	26.24
2007-03-01	27.82
2007-04-01	29.21
2007-05-01	27.85
2007-06-01	27.70
2007-07-01	27.68
2007-08-01	27.53
2007-09-01	27.88
2007-10-01	31.14
2007-11-01	29.53
2007-12-01	30.24
2008-01-01	25.50
2008-02-01	27.54
2008-03-01	28.48
2008-04-01	27.04
2008-05-01	30.31
2008-06-01	27.17
2008-07-01	29.23
2008-08-01	26.50
2008-09-01	27.69
2008-10-01	28.16
2008-11-01	23.94
2008-12-01	29.90
2009-01-01	24.35
2009-02-01	27.95
2009-03-01	29.21
2009-04-01	28.52
2009-05-01	30.24
2009-06-01	30.78
2009-07-01	29.77
2009-08-01	28.96
2009-09-01	30.07
2009-10-01	33.65
2009-11-01	31.38
2009-12-01	31.16
2010-01-01	27.65
2010-02-01	31.71
2010-03-01	28.27
2010-04-01	31.88
2010-05-01	30.03
2010-06-01	30.58
2010-07-01	30.94
2010-08-01	30.18
2010-09-01	31.76
2010-10-01	32.25
2010-11-01	33.70
2010-12-01	30.50
2011-01-01	29.38
2011-02-01	29.59
2011-03-01	28.28
2011-04-01	29.49
2011-05-01	31.91
2011-06-01	30.98
2011-07-01	29.31
2011-08-01	31.24
2011-09-01	33.25
2011-10-01	39.08
2011-11-01	36.78
2011-12-01	35.18
2012-01-01	30.31
2012-02-01	33.29
2012-03-01	31.46
2012-04-01	33.34
2012-05-01	34.57
2012-06-01	36.37
2012-07-01	33.47
2012-08-01	33.55
2012-09-01	33.29
2012-10-01	35.32
2012-11-01	35.25
2012-12-01	36.46
2013-01-01	31.72
2013-02-01	31.99
2013-03-01	32.95
2013-04-01	34.62
2013-05-01	36.49
2013-06-01	33.35
2013-07-01	32.40
2013-08-01	36.44
2013-09-01	32.57
2013-10-01	37.73
2013-11-01	35.00
2013-12-01	36.62
2014-01-01	32.56
2014-02-01	33.62
2014-03-01	31.92
2014-04-01	35.45
2014-05-01	34.95
2014-06-01	35.68
2014-07-01	34.44
2014-08-01	34.41
2014-09-01	36.15
2014-10-01	38.68
2014-11-01	35.38
2014-12-01	35.56
2015-01-01	32.47
2015-02-01	30.78
2015-03-01	33.45
2015-04-01	35.30
2015-05-01	35.55
2015-06-01	35.42
2015-07-01	34.95
2015-08-01	33.04
2015-09-01	36.06
2015-10-01	39.66
2015-11-01	36.57
2015-12-01	37.54
2016-01-01	31.62
2016-02-01	34.59
2016-03-01	35.04
2016-04-01	36.30
2016-05-01	35.74
2016-06-01	35.01
2016-07-01	32.17
2016-08-01	35.18
2016-09-01	34.10
2016-10-01	38.21
2016-11-01	37.38
2016-12-01	34.86
2017-01-01	33.58
2017-02-01	33.62
2017-03-01	33.02
2017-04-01	35.53
2017-05-01	35.35
2017-06-01	37.80
2017-07-01	31.91
2017-08-01	34.08
2017-09-01	32.96
2017-10-01	36.13
2017-11-01	34.60
2017-12-01	37.54
2018-01-01	30.70
2018-02-01	31.59
2018-03-01	31.03
2018-04-01	36.98
2018-05-01	33.17
2018-06-01	35.08
2018-07-01	33.12