Quarter	Index source base
2005-01-01	82.0
2005-04-01	82.7
2005-07-01	83.7
2005-10-01	84.3
2006-01-01	84.9
2006-04-01	86.1
2006-07-01	86.8
2006-10-01	87.3
2007-01-01	87.9
2007-04-01	87.9
2007-07-01	87.9
2007-10-01	88.6
2008-01-01	89.0
2008-04-01	90.1
2008-07-01	90.7
2008-10-01	91.1
2009-01-01	91.7
2009-04-01	92.1
2009-07-01	92.5
2009-10-01	92.4
2010-01-01	93.2
2010-04-01	94.4
2010-07-01	94.7
2010-10-01	95.1
2011-01-01	95.5
2011-04-01	96.4
2011-07-01	97.1
2011-10-01	97.7
2012-01-01	98.2
2012-04-01	98.5
2012-07-01	98.8
2012-10-01	99.6
2013-01-01	99.3
2013-04-01	99.6
2013-07-01	100.0
2013-10-01	100.1
2014-01-01	100.1
2014-04-01	99.8
2014-07-01	99.5
2014-10-01	99.5
2015-01-01	99.6
2015-04-01	99.8
2015-07-01	100.1
2015-10-01	100.5
2016-01-01	100.7
2016-04-01	100.8
2016-07-01	101.1
2016-10-01	101.6
2017-01-01	102.0
2017-04-01	102.6
2017-07-01	102.9
2017-10-01	102.4
2018-01-01	102.5
2018-04-01	102.5
2018-07-01	102.2