Quarter	Index source base
2005-01-01	82.4
2005-04-01	82.9
2005-07-01	82.7
2005-10-01	83.7
2006-01-01	81.9
2006-04-01	82.4
2006-07-01	82.2
2006-10-01	83.5
2007-01-01	83.1
2007-04-01	84.6
2007-07-01	83.4
2007-10-01	84.7
2008-01-01	84.3
2008-04-01	86.1
2008-07-01	86.0
2008-10-01	86.7
2009-01-01	86.8
2009-04-01	88.7
2009-07-01	88.5
2009-10-01	90.4
2010-01-01	90.2
2010-04-01	90.9
2010-07-01	91.2
2010-10-01	93.0
2011-01-01	93.9
2011-04-01	95.1
2011-07-01	96.1
2011-10-01	97.8
2012-01-01	98.0
2012-04-01	98.6
2012-07-01	98.5
2012-10-01	98.9
2013-01-01	98.6
2013-04-01	98.9
2013-07-01	99.1
2013-10-01	99.9
2014-01-01	99.7
2014-04-01	100.2
2014-07-01	99.8
2014-10-01	100.1
2015-01-01	99.8
2015-04-01	99.8
2015-07-01	100.1
2015-10-01	100.3
2016-01-01	100.0
2016-04-01	99.7
2016-07-01	99.0
2016-10-01	100.9
2017-01-01	100.9
2017-04-01	102.1
2017-07-01	102.9
2017-10-01	104.0
2018-01-01	103.9
2018-04-01	104.4
2018-07-01	103.7