Annual base year varies by country
1960 14.080377570518355
1961 14.328618406768262
1962 14.523052684489201
1963 14.659229437523333
1964 14.972375647088715
1965 15.81241789169101
1966 16.725416429407314
1967 17.24765814279718
1968 17.537308090452804
1969 17.575176791458823
1970 18.870404471685607
1971 19.825983573574515
1972 19.581086055889415
1973 22.454859285734805
1974 27.32994912180328
1975 31.942504263750603
1976 32.312233784970026
1977 33.03683415693944
1978 35.46477122109199
1979 36.7363372620321
1980 42.22797284728216
1981 41.36466314862313
1982 38.4774119846451
1983 41.455854247529274
1984 45.36890545945742
1985 44.54998015268157
1986 46.42213124322069
1987 50.87008495453469
1988 52.7656750096878
1989 53.84493674723602
1990 72.7093864956933
1991 70.92307094092853
1992 73.34148129904467
1993 74.71822224324889
1994 76.6892001543457
1995 80.76577982016374
1996 82.98558872025174
1997 81.74075329815012
1998 83.70908090387744
1999 82.30920288162095
2000 83.47313540639725
2001 81.84114506195169
2002 82.43032705816499
2003 79.00366203215191
2004 80.65708497681507
2005 83.08664014702794
2006 85.78475060905947
2007 89.07552939568262
2008 92.20881574460975
2009 89.92821403200287
2010 91.869464084256
2011 96.37037257483057
2012 97.08968722530467
2013 98.94754980637974
2014 100.00116337459406
2015 100.0484783668157
2016 102.15143847184918
2017 105.24860165450609
2018 105.34948761735609
2019 105.21183598100399
2020 104.63353131697717
2021 105.11358603989898
2022 112.85502743647609
2023 125.15255530129672
