Quarter Index source base 2011-07-01 100.00000000 2011-10-01 100.05405320 2012-01-01 98.65308396 2012-04-01 100.11277420 2012-07-01 101.22546750 2012-10-01 100.59278940 2013-01-01 98.92722111 2013-04-01 100.15412580 2013-07-01 101.36387920 2013-10-01 101.88955280 2014-01-01 100.32571950 2014-04-01 101.64405590 2014-07-01 102.14493910 2014-10-01 104.96034600 2015-01-01 104.42107000 2015-04-01 103.24359030 2015-07-01 101.81847940 2015-10-01 102.54458730 2016-01-01 104.57396330 2016-04-01 105.51867040 2016-07-01 106.90532400 2016-10-01 105.93621160 2017-01-01 104.47587370 2017-04-01 105.40427640 2017-07-01 106.00682500 2017-10-01 105.06045660 2018-01-01 104.47342590 2018-04-01 105.10467770 2018-07-01 103.38779050