Month	Percent
2007-01-01	67.79
2007-02-01	74.66
2007-03-01	71.62
2007-04-01	75.05
2007-05-01	73.40
2007-06-01	73.43
2007-07-01	72.47
2007-08-01	71.94
2007-09-01	71.95
2007-10-01	74.71
2007-11-01	75.42
2007-12-01	70.92
2008-01-01	74.37
2008-02-01	73.66
2008-03-01	73.88
2008-04-01	76.90
2008-05-01	72.66
2008-06-01	71.93
2008-07-01	73.88
2008-08-01	76.06
2008-09-01	73.40
2008-10-01	74.66
2008-11-01	75.53
2008-12-01	75.05
2009-01-01	75.09
2009-02-01	73.84
2009-03-01	72.32
2009-04-01	74.02
2009-05-01	77.22
2009-06-01	77.74
2009-07-01	74.95
2009-08-01	74.71
2009-09-01	73.17
2009-10-01	77.31
2009-11-01	76.28
2009-12-01	75.82
2010-01-01	75.18
2010-02-01	75.56
2010-03-01	73.05
2010-04-01	77.10
2010-05-01	76.95
2010-06-01	76.42
2010-07-01	78.32
2010-08-01	76.02
2010-09-01	76.29
2010-10-01	77.29
2010-11-01	78.15
2010-12-01	74.33
2011-01-01	78.31
2011-02-01	78.05
2011-03-01	77.56
2011-04-01	77.38
2011-05-01	76.79
2011-06-01	78.60
2011-07-01	75.63
2011-08-01	76.63
2011-09-01	77.61
2011-10-01	80.45
2011-11-01	78.53
2011-12-01	77.93
2012-01-01	75.24
2012-02-01	78.03
2012-03-01	79.23
2012-04-01	78.11
2012-05-01	78.74
2012-06-01	76.95
2012-07-01	78.73
2012-08-01	79.58
2012-09-01	76.39
2012-10-01	78.65
2012-11-01	79.19
2012-12-01	78.61
2013-01-01	79.86
2013-02-01	76.06
2013-03-01	77.55
2013-04-01	79.01
2013-05-01	78.19
2013-06-01	77.04
2013-07-01	78.51
2013-08-01	77.50
2013-09-01	79.28
2013-10-01	82.64
2013-11-01	79.76
2013-12-01	78.72
2014-01-01	78.34
2014-02-01	78.36
2014-03-01	80.17
2014-04-01	77.54
2014-05-01	79.70
2014-06-01	79.03
2014-07-01	78.02
2014-08-01	81.53
2014-09-01	80.56
2014-10-01	81.11
2014-11-01	81.31
2014-12-01	79.40
2015-01-01	78.05
2015-02-01	82.13
2015-03-01	79.77
2015-04-01	78.58
2015-05-01	78.38
2015-06-01	80.25
2015-07-01	81.30
2015-08-01	78.51
2015-09-01	77.89
2015-10-01	83.83
2015-11-01	83.27
2015-12-01	80.87
2016-01-01	79.70
2016-02-01	76.19
2016-03-01	77.81
2016-04-01	81.98
2016-05-01	79.56
2016-06-01	81.00
2016-07-01	76.81
2016-08-01	79.75
2016-09-01	82.29
2016-10-01	80.61
2016-11-01	80.23
2016-12-01	82.36
2017-01-01	79.72
2017-02-01	80.18
2017-03-01	80.85
2017-04-01	78.69
2017-05-01	81.20
2017-06-01	82.32
2017-07-01	81.05
2017-08-01	80.56
2017-09-01	79.91
2017-10-01	80.71
2017-11-01	82.03
2017-12-01	80.42
2018-01-01	80.25
2018-02-01	80.17
2018-03-01	80.78
2018-04-01	80.22
2018-05-01	80.41
2018-06-01	79.65
2018-07-01	80.63