Year	base year varies by country
2010	72.93628447341068
2011	80.0596879450871
2012	80.3216564538537
2013	80.03605472263918
2014	82.18967552700987
2015	85.78538876187673
2016	87.4312108482214
2017	92.34906501682948
2018	95.66057549791319
2019	100
2020	105.77290309764736
2021	118.92890033141387
2022	129.9960775798455
2023	130.34766773261873