Month	Index source base
2006-01-01	103.9
2006-02-01	101.8
2006-03-01	101.1
2006-04-01	100.9
2006-05-01	100.8
2006-06-01	100.7
2006-07-01	99.9
2006-08-01	98.3
2006-09-01	98.1
2006-10-01	98.2
2006-11-01	98.2
2006-12-01	98.1
2007-01-01	95.8
2007-02-01	94.2
2007-03-01	93.5
2007-04-01	93.4
2007-05-01	93.4
2007-06-01	93.3
2007-07-01	92.2
2007-08-01	91.1
2007-09-01	91.0
2007-10-01	91.2
2007-11-01	91.4
2007-12-01	91.2
2008-01-01	88.3
2008-02-01	86.9
2008-03-01	87.8
2008-04-01	87.7
2008-05-01	87.6
2008-06-01	87.3
2008-07-01	85.8
2008-08-01	84.3
2008-09-01	85.5
2008-10-01	85.8
2008-11-01	85.7
2008-12-01	85.2
2009-01-01	82.2
2009-02-01	80.7
2009-03-01	80.9
2009-04-01	80.8
2009-05-01	80.8
2009-06-01	80.4
2009-07-01	79.0
2009-08-01	77.7
2009-09-01	79.0
2009-10-01	80.3
2009-11-01	80.3
2009-12-01	79.8
2010-01-01	78.0
2010-02-01	76.8
2010-03-01	77.3
2010-04-01	77.7
2010-05-01	77.5
2010-06-01	77.3
2010-07-01	76.3
2010-08-01	74.8
2010-09-01	76.7
2010-10-01	78.0
2010-11-01	78.0
2010-12-01	77.8
2011-01-01	75.3
2011-02-01	73.6
2011-03-01	75.9
2011-04-01	76.8
2011-05-01	78.3
2011-06-01	78.0
2011-07-01	76.2
2011-08-01	74.1
2011-09-01	74.5
2011-10-01	76.8
2011-11-01	76.8
2011-12-01	76.3
2012-01-01	73.9
2012-02-01	72.3
2012-03-01	72.7
2012-04-01	75.0
2012-05-01	74.9
2012-06-01	74.2
2012-07-01	72.4
2012-08-01	70.4
2012-09-01	70.8
2012-10-01	73.3
2012-11-01	73.2
2012-12-01	72.8
2013-01-01	70.3
2013-02-01	68.8
2013-03-01	69.1
2013-04-01	71.4
2013-05-01	71.5
2013-06-01	70.9
2013-07-01	69.0
2013-08-01	67.1
2013-09-01	67.6
2013-10-01	70.0
2013-11-01	69.9
2013-12-01	69.5
2014-01-01	66.9
2014-02-01	65.8
2014-03-01	66.3
2014-04-01	68.2
2014-05-01	68.1
2014-06-01	67.6
2014-07-01	65.7
2014-08-01	63.9
2014-09-01	64.6
2014-10-01	66.8
2014-11-01	66.7
2014-12-01	66.0
2015-01-01	63.6
2015-02-01	62.4
2015-03-01	62.9
2015-04-01	64.8
2015-05-01	64.8
2015-06-01	64.3
2015-07-01	62.7
2015-08-01	61.2
2015-09-01	61.8
2015-10-01	63.8
2015-11-01	63.6
2015-12-01	63.0
2016-01-01	60.7
2016-02-01	59.6
2016-03-01	60.7
2016-04-01	62.3
2016-05-01	62.0
2016-06-01	61.6
2016-07-01	59.7
2016-08-01	58.2
2016-09-01	58.7
2016-10-01	60.8
2016-11-01	60.6
2016-12-01	59.9
2017-01-01	57.3
2017-02-01	56.3
2017-03-01	57.3
2017-04-01	59.0
2017-05-01	58.8
2017-06-01	58.2
2017-07-01	56.2
2017-08-01	54.8
2017-09-01	56.0
2017-10-01	58.0
2017-11-01	57.8
2017-12-01	57.0
2018-01-01	54.8
2018-02-01	54.0
2018-03-01	55.2
2018-04-01	56.8
2018-05-01	56.6
2018-06-01	55.8
2018-07-01	53.8
2018-08-01	52.9
2018-09-01	54.2