Year	base year varies by country
1990	24.32838962656127
1991	35.39346874079333
1992	40.35279898657185
1993	47.863270013782596
1994	52.93353041145733
1995	58.65559136959651
1996	63.49649261354512
1997	68.19360004252464
1998	73.04677198954762
1999	75.22235930978314
2000	78.04823699548172
2001	80.69068139744756
2002	81.22917639824975
2003	82.05509318847018
2004	84.96622353334496
2005	86.28657255464609
2006	88.16610605948597
2007	90.83595314394157
2008	93.54113620438615
2009	94.83082882658529
2010	94.68564291406824
2011	95.66700589314219
2012	97.39040835517497
2013	97.92568946299475
2014	99.19095455957697
2015	100
2016	100.61797205523735
2017	102.93050392332368
2018	105.76323906616297
2019	109.64686748523806
2020	113.44641872350726
2021	117.19301089724328
2022	130.81190257340418
2023	139.87394977376502