Year	base year varies by country
1990	48.4725316017016
1991	48.7114024588937
1992	51.1767155251681
1993	52.995896652999
1994	54.9460107276417
1995	55.2024476618832
1996	54.682228748682
1997	55.5619777886688
1998	56.116219130948
1999	56.5889348381829
2000	55.8826020173768
2001	56.4571947999743
2002	57.4007841341206
2003	58.050196088318
2004	59.1908850761867
2005	60.2257319571323
2006	61.4121696930915
2007	64.3752701487517
2008	69.2211154226432
2009	73.7003861914463
2010	75.6093396529528
2011	80.0280242611819
2012	84.9705310485521
2013	89.6474538712291
2014	93.4107547680874
2015	95.7261915112252
2016	97.6427339206994
2017	99.331120859678
2018	100
2019	100.315250866507
2020	99.7625451710916
2021	101.693262536975
2022	104.184141037723
2023	105.783800762599