Year	base year varies by country
1990	11.3047413194728
1991	11.8900680341147
1992	12.6794830445781
1993	14.3360195278958
1994	15.6927524179975
1995	16.8156151239835
1996	19.5249798986792
1997	20.4993952027437
1998	22.5426254388207
1999	25.7516151701748
2000	29.4008680358561
2001	31.8449107440145
2002	32.2230278823981
2003	33.2732035483007
2004	36.6267394122071
2005	42.2935210599698
2006	45.4541713031296
2007	48.1946931314576
2008	52.7118517162
2009	60.6760504693889
2010	65.3378287144023
2011	73.6052342972153
2012	75.8221073697566
2013	76.983793797903
2014	86.1480268455707
2015	89.3616216596854
2016	100.000043304224
2017	97.3501228802643
2018	97.4058041896876
2019	97.9002218652352
2020	102.187266537737
2021	110.752040906925
2022	126.941276942142
2023	129.639871082115