Month	Percent
2003-01-01	10.9
2003-02-01	10.9
2003-03-01	3.6
2003-04-01	10.7
2003-05-01	19.5
2003-06-01	7.1
2003-07-01	3.4
2003-08-01	3.9
2003-09-01	6.2
2003-10-01	6.7
2003-11-01	9.1
2003-12-01	8.1
2004-01-01	9.7
2004-02-01	6.3
2004-03-01	9.4
2004-04-01	9.9
2004-05-01	20.9
2004-06-01	5.6
2004-07-01	1.8
2004-08-01	6.3
2004-09-01	8.0
2004-10-01	6.2
2004-11-01	8.0
2004-12-01	6.5
2005-01-01	12.6
2005-02-01	6.3
2005-03-01	8.4
2005-04-01	8.7
2005-05-01	14.2
2005-06-01	3.4
2005-07-01	1.6
2005-08-01	4.7
2005-09-01	4.4
2005-10-01	8.3
2005-11-01	10.4
2005-12-01	5.0
2006-01-01	7.9
2006-02-01	7.4
2006-03-01	7.9
2006-04-01	11.1
2006-05-01	20.6
2006-06-01	6.3
2006-07-01	4.1
2006-08-01	5.1
2006-09-01	6.4
2006-10-01	6.6
2006-11-01	6.8
2006-12-01	7.7
2007-01-01	7.2
2007-02-01	5.4
2007-03-01	7.4
2007-04-01	9.1
2007-05-01	17.6
2007-06-01	3.8
2007-07-01	3.9
2007-08-01	7.0
2007-09-01	5.0
2007-10-01	5.9
2007-11-01	5.7
2007-12-01	6.9
2008-01-01	7.4
2008-02-01	7.4
2008-03-01	5.0
2008-04-01	10.2
2008-05-01	15.3
2008-06-01	6.9
2008-07-01	3.5
2008-08-01	3.5
2008-09-01	8.2
2008-10-01	7.7
2008-11-01	13.4
2008-12-01	11.4
2009-01-01	10.8
2009-02-01	16.1
2009-03-01	10.7
2009-04-01	20.4
2009-05-01	31.3
2009-06-01	14.3
2009-07-01	7.5
2009-08-01	12.6
2009-09-01	18.8
2009-10-01	12.9
2009-11-01	19.9
2009-12-01	15.3
2010-01-01	17.9
2010-02-01	16
2010-03-01	15.2
2010-04-01	20.6
2010-05-01	33.1
2010-06-01	11.4
2010-07-01	10.5
2010-08-01	12.8
2010-09-01	10.1
2010-10-01	11.1
2010-11-01	18
2010-12-01	17.1
2011-01-01	11.9
2011-02-01	20.4
2011-03-01	15.7
2011-04-01	20.2
2011-05-01	27.6
2011-06-01	8.9
2011-07-01	5.0
2011-08-01	11.5
2011-09-01	13.5
2011-10-01	15.2
2011-11-01	12.5
2011-12-01	13.9
2012-01-01	18.5
2012-02-01	16.2
2012-03-01	18.4
2012-04-01	21.5
2012-05-01	25.2
2012-06-01	8.2
2012-07-01	3.3
2012-08-01	12
2012-09-01	9.4
2012-10-01	9.5
2012-11-01	10.9
2012-12-01	11.7
2013-01-01	11.5
2013-02-01	7.9
2013-03-01	13
2013-04-01	19.4
2013-05-01	21.2
2013-06-01	8.7
2013-07-01	3.7
2013-08-01	7.1
2013-09-01	13.4
2013-10-01	9.0
2013-11-01	6.4
2013-12-01	7.7
2014-01-01	15.4
2014-02-01	7.8
2014-03-01	10.9
2014-04-01	15.6
2014-05-01	16.7
2014-06-01	6.8
2014-07-01	4.6
2014-08-01	8.8
2014-09-01	9.4
2014-10-01	7.9
2014-11-01	8.9
2014-12-01	8.8
2015-01-01	7.9
2015-02-01	10.4
2015-03-01	10.8
2015-04-01	15.2
2015-05-01	16.0
2015-06-01	6.8
2015-07-01	3.3
2015-08-01	5.5
2015-09-01	6.7
2015-10-01	11.1
2015-11-01	6.4
2015-12-01	4.9
2016-01-01	6.3
2016-02-01	7.0
2016-03-01	8.9
2016-04-01	11.0
2016-05-01	11.0
2016-06-01	5.0
2016-07-01	2.1
2016-08-01	5.1
2016-09-01	5.1
2016-10-01	6.4
2016-11-01	5.2
2016-12-01	5.4
2017-01-01	9.8
2017-02-01	9.8
2017-03-01	4.7
2017-04-01	9.0
2017-05-01	17.1
2017-06-01	5.1
2017-07-01	1.6
2017-08-01	8.6
2017-09-01	9.6
2017-10-01	6.8
2017-11-01	6.7
2017-12-01	9.6
2018-01-01	3.2
2018-02-01	5.2
2018-03-01	5.3
2018-04-01	9.6
2018-05-01	10.0
2018-06-01	8.1
2018-07-01	6.7
2018-08-01	4.5
2018-09-01	3.3