Annual base year varies by country
1960 11.745596334681844
1961 11.96883410652616
1962 12.209452144715094
1963 12.837936716172266
1964 13.070587934009742
1965 12.984835463962726
1966 13.28389140968295
1967 12.697937843177378
1968 12.664430690429779
1969 13.539942311756676
1970 13.781417328324103
1971 14.24688129810196
1972 15.286425686325481
1973 15.69577460723063
1974 17.42461856599563
1975 18.849282556575115
1976 20.11699212458161
1977 23.87122043337081
1978 27.340263887957857
1979 29.46009822364688
1980 32.021467729846954
1981 36.371462241459014
1982 39.66181254543738
1983 41.80724569890602
1984 44.52517039885193
1985 44.86225564165297
1986 42.01544186447016
1987 42.535308660960524
1988 43.98514873173119
1989 46.11034415617654
1990 46.94494849543419
1991 45.082275867081314
1992 45.18463951135105
1993 44.533149402940225
1994 51.05234016983604
1995 54.508363583127476
1996 54.69843705473766
1997 55.54965405004675
1998 59.96047213558564
1999 70.38809261793159
2000 69.81106990906139
2001 72.57667238553755
2002 74.79533116544435
2003 75.90583899947573
2004 75.97464657213312
2005 78.81563141168697
2006 78.29322026639393
2007 80.24456070237427
2008 87.59480232465287
2009 89.70189956081394
2010 93.09228935612708
2011 99.36485228819272
2012 105.15186077666844
2013 102.91299766420958
2014 102.27453888171031
2015 100
2016 102.60429919226561
2017 104.0574810908693
2018 105.17502398402385
2019 105.71446721324784
2020 112.5495373534551
2021 112.36920751903321
2022 118.98677102461433
2023 121.36418084758549
