Year	base year varies by country
2010	82.37454201936067
2011	83.95791317514283
2012	96.80496830883354
2013	106.03438687729876
2014	104.76856440308522
2015	109.1086789384065
2016	120.72859323203264
2017	149.03958156013155
2018	161.92579103026975
2019	178.569655439537
2020	256.01231392247036
2021	238.23725116819188
2022	247.93405386258357
2023	238.0990854455614