Quarter	Index source base
2005-01-01	72.6
2005-04-01	74.1
2005-07-01	76.5
2005-10-01	75.5
2006-01-01	75.8
2006-04-01	77.2
2006-07-01	78.2
2006-10-01	76.1
2007-01-01	76.6
2007-04-01	79.0
2007-07-01	80.2
2007-10-01	80.2
2008-01-01	81.6
2008-04-01	84.1
2008-07-01	86.6
2008-10-01	81.9
2009-01-01	80.4
2009-04-01	83.4
2009-07-01	86.5
2009-10-01	87.2
2010-01-01	89.1
2010-04-01	91.7
2010-07-01	92.5
2010-10-01	92.3
2011-01-01	96.3
2011-04-01	99.6
2011-07-01	100.0
2011-10-01	98.6
2012-01-01	99.9
2012-04-01	101.1
2012-07-01	101.9
2012-10-01	100.9
2013-01-01	101.4
2013-04-01	101.9
2013-07-01	103.3
2013-10-01	101.0
2014-01-01	101.1
2014-04-01	102.8
2014-07-01	104.0
2014-10-01	100.7
2015-01-01	98.6
2015-04-01	100.8
2015-07-01	101.6
2015-10-01	99.0
2016-01-01	98.1
2016-04-01	99.9
2016-07-01	102.3
2016-10-01	101.8
2017-01-01	103.4
2017-04-01	104.6
2017-07-01	105.7
2017-10-01	105.8
2018-01-01	106.5
2018-04-01	108.9
2018-07-01	111.8