Month	Percent
2012-01-01	72.5
2012-02-01	72.9
2012-03-01	71.6
2012-04-01	71.6
2012-05-01	71.7
2012-06-01	72.3
2012-07-01	71.2
2012-08-01	70.2
2012-09-01	68.9
2012-10-01	70.4
2012-11-01	72.7
2012-12-01	73.4
2013-01-01	73
2013-02-01	75.3
2013-03-01	74
2013-04-01	72.6
2013-05-01	73.5
2013-06-01	71.9
2013-07-01	71.4
2013-08-01	72.1
2013-09-01	72.3
2013-10-01	71.8
2013-11-01	72.7
2013-12-01	73.4
2014-01-01	73.3
2014-02-01	74.8
2014-03-01	73.4
2014-04-01	73.5
2014-05-01	74.5
2014-06-01	74.2
2014-07-01	72.3
2014-08-01	72.3
2014-09-01	71.9
2014-10-01	71.2
2014-11-01	71.5
2014-12-01	71.9
2015-01-01	72
2015-02-01	72.8
2015-03-01	73.9
2015-04-01	73.9
2015-05-01	74.8
2015-06-01	74.6
2015-07-01	75.2
2015-08-01	73.3
2015-09-01	73.6
2015-10-01	71.5
2015-11-01	71.7
2015-12-01	71.3
2016-01-01	71.4
2016-02-01	71.9
2016-03-01	73.0
2016-04-01	74.7
2016-05-01	74.3
2016-06-01	74.3
2016-07-01	74.2
2016-08-01	75.0
2016-09-01	72.4
2016-10-01	73.6
2016-11-01	73.8
2016-12-01	72.0
2017-01-01	74.4
2017-02-01	74.8
2017-03-01	73.1
2017-04-01	74.3
2017-05-01	73.2
2017-06-01	73.7
2017-07-01	75.5
2017-08-01	74.1
2017-09-01	74.3
2017-10-01	75.1
2017-11-01	75.7
2017-12-01	74.8
2018-01-01	74.7
2018-02-01	75.0
2018-03-01	74.5
2018-04-01	74.0
2018-05-01	75.1
2018-06-01	73.5
2018-07-01	72.6
2018-08-01	73.2
2018-09-01	73.1