Month	Percent
2004-01-01	20.3
2004-02-01	20.3
2004-03-01	20.3
2004-04-01	21
2004-05-01	21
2004-06-01	21
2004-07-01	19
2004-08-01	19
2004-09-01	19
2004-10-01	22.2
2004-11-01	22.2
2004-12-01	22.2
2005-01-01	23
2005-02-01	23
2005-03-01	23
2005-04-01	20.9
2005-05-01	20.9
2005-06-01	20.9
2005-07-01	20.3
2005-08-01	20.3
2005-09-01	20.3
2005-10-01	22.2
2005-11-01	22.2
2005-12-01	22.2
2006-01-01	21.2
2006-02-01	21.2
2006-03-01	21.2
2006-04-01	18.1
2006-05-01	18.1
2006-06-01	18.1
2006-07-01	17.4
2006-08-01	17.4
2006-09-01	17.4
2006-10-01	20.3
2006-11-01	20.3
2006-12-01	20.3
2007-01-01	18.9
2007-02-01	18.9
2007-03-01	18.9
2007-04-01	17
2007-05-01	17
2007-06-01	17
2007-07-01	16.7
2007-08-01	16.7
2007-09-01	16.7
2007-10-01	20.9
2007-11-01	20.9
2007-12-01	20.9
2008-01-01	18.5
2008-02-01	18.5
2008-03-01	18.5
2008-04-01	17.4
2008-05-01	17.4
2008-06-01	17.4
2008-07-01	18
2008-08-01	18
2008-09-01	18
2008-10-01	21.6
2008-11-01	21.6
2008-12-01	21.6
2009-01-01	23.2
2009-02-01	23.2
2009-03-01	23.2
2009-04-01	21.3
2009-05-01	21.3
2009-06-01	21.3
2009-07-01	21.9
2009-08-01	21.9
2009-09-01	21.9
2009-10-01	26.3
2009-11-01	26.3
2009-12-01	26.3
2010-01-01	28.3
2010-02-01	28.3
2010-03-01	28.3
2010-04-01	27.5
2010-05-01	27.5
2010-06-01	27.5
2010-07-01	23.8
2010-08-01	23.8
2010-09-01	23.8
2010-10-01	27.7
2010-11-01	27.7
2010-12-01	27.7
2011-01-01	27.7
2011-02-01	27.7
2011-03-01	27.7
2011-04-01	24.2
2011-05-01	24.2
2011-06-01	24.2
2011-07-01	25.2
2011-08-01	25.2
2011-09-01	25.2
2011-10-01	31
2011-11-01	31
2011-12-01	31
2012-01-01	33.3
2012-02-01	33.3
2012-03-01	33.3
2012-04-01	33.4
2012-05-01	33.4
2012-06-01	33.4
2012-07-01	31
2012-08-01	31
2012-09-01	31
2012-10-01	37.3
2012-11-01	37.3
2012-12-01	37.3
2013-01-01	41.3
2013-02-01	41.3
2013-03-01	41.3
2013-04-01	37.5
2013-05-01	37.5
2013-06-01	37.5
2013-07-01	37
2013-08-01	37
2013-09-01	37
2013-10-01	40.2
2013-11-01	40.2
2013-12-01	40.2
2014-01-01	44.6
2014-02-01	44.6
2014-03-01	44.6
2014-04-01	41.7
2014-05-01	41.7
2014-06-01	41.7
2014-07-01	38.5
2014-08-01	38.5
2014-09-01	38.5
2014-10-01	40.4
2014-11-01	40.4
2014-12-01	40.4
2015-01-01	42.1
2015-02-01	42.1
2015-03-01	42.1
2015-04-01	39.8
2015-05-01	39.8
2015-06-01	39.8
2015-07-01	34.1
2015-08-01	34.1
2015-09-01	34.1
2015-10-01	39.2
2015-11-01	39.2
2015-12-01	39.2
2016-01-01	39.8
2016-02-01	39.8
2016-03-01	39.8
2016-04-01	35.1
2016-05-01	35.1
2016-06-01	35.1
2016-07-01	32.3
2016-08-01	32.3
2016-09-01	32.3
2016-10-01	38.7
2016-11-01	38.7
2016-12-01	38.7
2017-01-01	35.8
2017-02-01	35.8
2017-03-01	35.8
2017-04-01	33.2
2017-05-01	33.2
2017-06-01	33.2
2017-07-01	30.4
2017-08-01	30.4
2017-09-01	30.4
2017-10-01	32.7
2017-11-01	32.7
2017-12-01	32.7
2018-01-01	31.4
2018-02-01	31.4
2018-03-01	31.4
2018-04-01	29.9
2018-05-01	29.9
2018-06-01	29.9