Quarter	Index source base
2005-01-01	98.2
2005-04-01	98.3
2005-07-01	97.4
2005-10-01	97.4
2006-01-01	96.8
2006-04-01	96.7
2006-07-01	96.4
2006-10-01	96.7
2007-01-01	96.2
2007-04-01	95.9
2007-07-01	95.4
2007-10-01	95.8
2008-01-01	95.1
2008-04-01	95.4
2008-07-01	95.4
2008-10-01	95.3
2009-01-01	95.3
2009-04-01	96.3
2009-07-01	97.2
2009-10-01	97.6
2010-01-01	98.0
2010-04-01	98.3
2010-07-01	98.3
2010-10-01	98.9
2011-01-01	99.0
2011-04-01	98.6
2011-07-01	97.8
2011-10-01	98.3
2012-01-01	98.2
2012-04-01	98.3
2012-07-01	98.5
2012-10-01	99.1
2013-01-01	99.5
2013-04-01	99.7
2013-07-01	99.3
2013-10-01	100.0
2014-01-01	100.1
2014-04-01	100.7
2014-07-01	100.5
2014-10-01	100.7
2015-01-01	99.7
2015-04-01	100.0
2015-07-01	99.9
2015-10-01	100.5
2016-01-01	99.6
2016-04-01	100.5
2016-07-01	100.6
2016-10-01	101.1
2017-01-01	101.0
2017-04-01	102.2
2017-07-01	102.6
2017-10-01	104.1
2018-01-01	104.3
2018-04-01	105.1
2018-07-01	106.0