Year	base year varies by country
1990	100
1991	117.689440220317
1992	133.22351000341
1993	141.959186302551
1994	153.248075682186
1995	170.760165006231
1996	190.53454536447
1997	201.404623789907
1998	215.605919124582
1999	220.805397924996
2000	232.277133068375
2001	236.620933002331
2002	243.295435473664
2003	258.696017787212
2004	279.308164996475
2005	295.901297843595
2006	336.332302936693
2007	361.131273781464
2008	398.620967714581
2009	388.974761525541
2010	423.117052785868
2011	484.90210368379
2012	519.331488956214
2013	550.467428639308
2014	561.749246069465
2015	535.793047718718
2016	528.53374534233
2017	560.570289582642
2018	577.702807367188
2019	573.699308011111
2020	563.060704443202
2021	585.33605981201
2022	615.331398003723
2023	625.789282560252