Annual base year varies by country
1960 11.130110282836807
1961 11.40217771260256
1962 11.55153194414082
1963 11.803612526749124
1964 12.137869517191394
1965 12.596077990066302
1966 13.215918972658445
1967 13.804574350684945
1968 14.365748786357926
1969 15.059152262255868
1970 15.770247514761623
1971 16.54794780500112
1972 17.512038543220584
1973 19.250774983543582
1974 22.248020555023373
1975 24.694798794482534
1976 26.86384827625099
1977 28.66843670735289
1978 30.625514663739978
1979 33.70951948731478
1980 37.09931159916165
1981 41.13236193813307
1982 44.763147774588795
1983 47.37036614812957
1984 49.04983049706958
1985 50.68730473605542
1986 52.27502324602179
1987 54.779833998874075
1988 57.26683746342401
1989 59.947643147643106
1990 61.95726902293388
1991 63.851160170857256
1992 64.79031549258131
1993 65.62549044278926
1994 66.58075539983552
1995 68.08769476909843
1996 69.22835091118837
1997 70.02041207022734
1998 69.89701841961549
1999 71.2417361518867
2000 74.35799148416346
2001 75.52814592040299
2002 76.47793007066251
2003 78.96326166633824
2004 81.53815405525415
2005 84.07940356070594
2006 86.24038941604103
2007 89.08679283248048
2008 92.64698299405596
2009 90.49301283712622
2010 93.07083097670736
2011 96.09047236921396
2012 97.26128068319527
2013 98.95434466365016
2014 100.87524539043959
2015 100
2016 100.71697814066066
2017 103.30642640797765
2018 105.0121376142956
2019 106.63569956250024
2020 107.77756558284905
2021 116.03857094045485
2022 124.91995420582553
2023 126.92522153948988