Annual base year varies by country
1960 6.828500887418712
1961 7.009294000374447
1962 7.343386553598598
1963 7.5925255163677345
1964 7.951054647791772
1965 8.33068847437796
1966 8.66200676266718
1967 8.918833134572555
1968 9.31339132914886
1969 9.704138166240849
1970 10.953504151991988
1971 11.65267889195534
1972 12.295614253889887
1973 13.363434866008753
1974 14.88313032772202
1975 16.205519433062847
1976 17.47612525630207
1977 18.90387825165989
1978 20.087354587474838
1979 21.23285617335585
1980 24.019987034539593
1981 27.113556443957158
1982 29.963183800872383
1983 32.04926807781511
1984 34.039547453045635
1985 35.808896798285964
1986 35.61166158419974
1987 38.183270363540785
1988 40.04220783136162
1989 42.28948384505624
1990 43.901378056248674
1991 44.87238902689889
1992 44.585313533796246
1993 45.60761924667007
1994 45.53647238782753
1995 46.93055759937084
1996 48.93050125519091
1997 50.293563460294465
1998 49.945234124119395
1999 53.253118436461264
2000 61.418584150751734
2001 62.47046354785124
2002 61.52078336544127
2003 63.28078426177386
2004 66.98284038652584
2005 72.85254946366632
2006 79.21417122219066
2007 81.65211567176055
2008 90.27979096931816
2009 85.66112741244417
2010 90.76255707603484
2011 96.81895191008635
2012 100.06537782782587
2013 102.62028599730293
2014 102.88538790571751
2015 100
2016 98.40190283647561
2017 102.41763464203788
2018 109.32361195933187
2019 108.72400757000761
2020 105.98714097499933
2021 127.41082573197569
2022 163.29203871963622
2023 145.96262137607843
