Year	base year varies by country
2011	54.9066566017027
2012	73.34288774653037
2013	76.48044415815313
2014	84.13609606734752
2015	92.99686401386236
2016	100
2017	107.62750460933606
2018	122.98167938619504
2019	137.83984272038995
2020	160.69133881640334
2021	194.7321455449612
2022	265.9726104658252
2023	348.0517138702738