Year	base year varies by country
1990	26.4908251416967
1991	28.2695613864429
1992	30.5849297807912
1993	35.2295157774597
1994	42.4927811037914
1995	48.2997155614357
1996	51.4424479506962
1997	52.2740504844179
1998	51.8034524934169
1999	51.1491443561149
2000	52.2042451277459
2001	53.2728918443138
2002	53.5936474350656
2003	54.9887853239059
2004	58.8116016549203
2005	61.1074561840783
2006	63.5068706360505
2007	68.4284540118842
2008	73.7626887898676
2009	73.608131348749
2010	78.6733867642347
2011	85.0268012388491
2012	87.0089609734799
2013	88.8912867556837
2014	89.8078125350432
2015	89.8051685089376
2016	91.0690379802766
2017	94.9237007358773
2018	98.2457907080735
2019	99.5099196976254
2020	100
2021	104.552326578976
2022	106.419319191587
2023	105.849369548206