Annual base year varies by country
1960 3.0829924193139195
1961 3.1687661667416025
1962 3.352355920109229
1963 3.6358934871907693
1964 3.8718559912955843
1965 4.034359343585122
1966 4.124422231731829
1967 4.238885630138137
1968 4.3124070298135075
1969 4.487116294269502
1970 4.795158394970026
1971 5.139395047600069
1972 5.428895857753976
1973 6.120462910374389
1974 7.359635102115865
1975 8.609528506457842
1976 10.11225936922576
1977 11.98071749213623
1978 13.651425384919602
1979 15.760710898576779
1980 19.041428065646716
1981 22.618784206390625
1982 26.586333888453478
1983 30.60000333646176
1984 33.893128360478364
1985 37.00270168581348
1986 39.7736186156437
1987 42.16372783092412
1988 44.967785490921095
1989 47.75461360773011
1990 52.01149017116463
1991 55.95465219403051
1992 58.39881602179593
1993 60.66816589809012
1994 62.817319644297996
1995 65.91122622135693
1996 68.88225595112057
1997 70.65072155613585
1998 72.34819110797626
1999 73.4595522525397
2000 74.77623977295724
2001 77.04464581996591
2002 79.5673509246782
2003 82.07197830563466
2004 84.26345087707571
2005 85.95761634620166
2006 87.78409012207163
2007 89.96025312145694
2008 92.1199320167365
2009 93.66647732519591
2010 94.0752008691485
2011 95.58715584469269
2012 97.06617728389334
2013 98.18011859527816
2014 99.07673994935257
2015 100
2016 101.13435002037254
2017 101.86893251580527
2018 102.95702722981042
2019 103.92288165524333
2020 105.56400213969776
2021 106.89238941110153
2022 110.74541127887598
2023 116.58525431413536
