Year	base year varies by country
2001	61.279615310942084
2002	60.60161412885216
2003	68.62855533652493
2004	76.66649193034846
2005	89.23427125288038
2006	100
2007	108.80223650679656
2008	118.91188684283077
2009	126.70453565586031
2010	146.433968755884
2011	166.6182549216407
2012	178.33290328628786
2013	215.55352572793822
2014	248.85755555719825
2015	252.0221529043892
2016	256.6103368612463
2017	277.5905020350545
2018	302.4619149436937
2019	333.5185713106651
2020	355.51708999530035
2021	320.7669283683181
2022	375.91064388961894
2023	508.7184302871546