Year	2015 = 100
2011	154.3658690011
2012	158.6548610209
2013	154.5359402863
2014	149.0000100168
2015	100
2016	84.4227276906
2017	98.6581466266
2018	116.4941280082
2019	110.1895030363
2020	86.5711186215999
2021	123.2938058933