Year	base year varies by country
2013	100
2014	101.26230441351
2015	103.092216347879
2016	103.404361366269
2017	103.985733289557
2018	104.667896558668
2019	105.138690068451
2020	107.0078559681
2021	108.828093165628
2022	113.855102382414
2023	119.052047898771