Year	base year varies by country
1990	48.8395743644375
1991	50.7384600247615
1992	53.8037643560032
1993	56.388030710226
1994	59.3602338523922
1995	67.431923792903
1996	69.2128084001522
1997	70.7610348030967
1998	72.1519701076461
1999	73.8129027012251
2000	75.8378902956244
2001	78.6137881927256
2002	78.8468035345192
2003	83.0948122571577
2004	85.3460735714382
2005	87.0696333564151
2006	89.7568025341907
2007	93.4711261379724
2008	97.8968345194512
2009	98.1544197623911
2010	100
2011	101.616249000114
2012	103.322161467913
2013	102.353274515749
2014	100.983519043754
2015	100.221866891147
2016	99.6458591514633
2017	100.67916312812
2018	101.690074594914
2019	103.035063255508
2020	101.685464981774
2021	104.416535672821
2022	110.750060235322
2023	115.983578841104