Annual base year varies by country
1960 0.0008511554701833196
1961 0.0009244343705368933
1962 0.001006801871276887
1963 0.0010842401255963718
1964 0.0011432562074040337
1965 0.0011283039664537415
1966 0.0012268141873653115
1967 0.0012061033125139776
1968 0.0011892263749384829
1969 0.0012082095515328144
1970 0.0013241764499801335
1971 0.001515254106989046
1972 0.0017666506051079306
1973 0.0021598437732538774
1974 0.0029264175161481387
1975 0.00399649178135759
1976 0.005250268620591836
1977 0.007432558349287329
1978 0.011605081009204302
1979 0.0205250214778339
1980 0.04625711000216581
1981 0.10390305512087053
1982 0.23611379356651596
1983 0.5900979129109895
1984 2.8606194116812187
1985 10.428007773783223
1986 15.658689285533493
1987 18.81843618680352
1988 22.425032327820933
1989 26.619156303821523
1990 30.860137685903748
1991 37.072212398891224
1992 41.54242712136135
1993 46.14958521291556
1994 51.9357875956919
1995 56.64596840841784
1996 61.87375508812429
1997 66.87692581565791
1998 71.47679481762046
1999 75.89841892388208
2000 77.38640660194575
2001 78.73890551326227
2002 82.48673361898102
2003 82.09976660920518
2004 82.20430933558038
2005 83.05664198424955
2006 84.25860424252865
2007 84.98306887980303
2008 86.13463767223173
2009 89.94110972377877
2010 91.00911775794751
2011 92.3455641911937
2012 95.36513356935798
2013 97.08506774329283
2014 97.7347546504714
2015 100
2016 100.3578807362184
2017 100.32389310173005
2018 101.11038312986574
2019 102.96724518238216
2020 104.03956504819118
2021 106.25383361490826
2022 111.16627477279889
2023 115.5516879709104
