Year	base year varies by country
2010	55.609890735107705
2011	65.39668793678017
2012	73.29187127813339
2013	78.25441535382582
2014	84.3561979046789
2015	87.14892424754763
2016	89.10126516156788
2017	92.38747291242726
2018	95.04834403924019
2019	100
2020	103.94918524051413
2021	117.12171246924308
2022	134.24367753315244