Year	2015 = 100
2012	97.0681078078
2013	104.2988753364
2014	96.86811022
2015	100
2016	87.3962193031
2017	96.0517145808
2018	82.5532239365
2019	97.7012897569
2020	103.4552216428
2021	97.1482729891