Quarter	Index 2010=100
2010-01-01	100.06
2010-04-01	100.28
2010-07-01	100.36
2010-10-01	99.31
2011-01-01	97.37
2011-04-01	96.64
2011-07-01	95.92
2011-10-01	94.20
2012-01-01	91.39
2012-04-01	89.68
2012-07-01	88.85
2012-10-01	87.42
2013-01-01	84.91
2013-04-01	84.37
2013-07-01	84.21
2013-10-01	84.20
2014-01-01	83.69
2014-04-01	85.51
2014-07-01	85.38
2014-10-01	85.88
2015-01-01	86.41
2015-04-01	87.18
2015-07-01	87.78
2015-10-01	87.44
2016-01-01	88.12
2016-04-01	88.46
2016-07-01	90.35
2016-10-01	90.67
2017-01-01	89.24
2017-04-01	90.83
2017-07-01	91.96
2017-10-01	92.06
2018-01-01	93.05
2018-04-01	94.64