Year	Index 2015=100
2012-01-01	81.8771797364861
2013-01-01	86.8929064107447
2014-01-01	92.9431816979592
2015-01-01	100.0000000000000
2016-01-01	107.9318843236640
2017-01-01	114.6731330993150
