Year	base year varies by country
1989	41.98634644814044
1990	43.3898463839973
1991	45.87501126494307
1992	47.0634360685681
1993	47.07821456948876
1994	48.42086692338885
1995	49.49782635084163
1996	50.41898007291743
1997	63.317553447509034
1998	62.94034122923663
1999	64.5620334084988
2000	64.63221832194826
2001	67.9604295108573
2002	65.6749984881446
2003	67.16132625452724
2004	70.62776168786708
2005	73.17103248098024
2006	77.41847765164144
2007	77.60322016830067
2008	80.37465959452594
2009	83.44637187535066
2010	86.01924601834551
2011	87.54746745379293
2012	93.6040683008861
2013	93.78551226845364
2014	95.24650278419122
2015	97.5310887683556
2016	97.36459543088256
2017	98.3191135235639
2018	100
2019	103.53252449169308
2020	104.07638385303359
2021	104.67328855463059
2022	108.79136172372579
2023	111.2701677898712