Month Index source base 2014-12-01 100.00000000 2015-01-01 99.98936781 2015-02-01 99.98936781 2015-03-01 99.98936781 2015-04-01 99.98936781 2015-05-01 99.98936781 2015-06-01 99.98936781 2015-07-01 99.98936781 2015-08-01 99.98936781 2015-09-01 102.94833540 2015-10-01 102.94833540 2015-11-01 102.94833540 2015-12-01 102.94833540 2016-01-01 102.98440710 2016-02-01 102.98440710 2016-03-01 102.98440710 2016-04-01 102.98440710 2016-05-01 102.98440740 2016-06-01 102.98440740 2016-07-01 102.98440740 2016-08-01 102.98440740 2016-09-01 105.61380760 2016-10-01 105.61380760 2016-11-01 105.61380760 2016-12-01 105.60000000 2017-01-01 105.40000000 2017-02-01 105.40000000 2017-03-01 105.40000000 2017-04-01 105.40000000 2017-05-01 105.40000000 2017-06-01 105.40000000 2017-07-01 105.40000000 2017-08-01 105.40000000 2017-09-01 108.50000000 2017-10-01 108.50000000 2017-11-01 108.50000000 2017-12-01 108.50000000 2018-01-01 108.60000000 2018-02-01 108.60000000 2018-03-01 108.60000000 2018-04-01 108.60000000 2018-05-01 108.60000000 2018-06-01 108.60000000 2018-07-01 108.60000000 2018-08-01 108.60000000 2018-09-01 108.60000000