Annual base year varies by country
1960 7.660953529933949
1961 7.749866653301744
1962 7.834311722200795
1963 7.939586397539708
1964 8.059101075089922
1965 8.221228245293208
1966 8.531276951107106
1967 8.93336222276565
1968 9.394634665275449
1969 10.233140831771887
1970 10.862002709144408
1971 11.359759585914569
1972 12.130707720163313
1973 12.804086154019428
1974 14.498413355067369
1975 16.04341912584928
1976 16.42680314094736
1977 16.710773784023043
1978 17.086412558261557
1979 18.548000782908787
1980 20.404074296480506
1981 24.01321382326924
1982 24.90050388448633
1983 26.388798790377955
1984 27.22570251523697
1985 29.52919491758711
1986 30.90536968742815
1987 32.94090477824418
1988 33.42985013396483
1989 34.03599059418176
1990 35.76287840887237
1991 36.67717065989506
1992 38.109621560303275
1993 37.78493377823749
1994 38.609917393850715
1995 38.91973701471747
1996 39.302802051290456
1997 68.08403578186822
1998 70.15986446942861
1999 73.63343650877312
2000 74.31285769492648
2001 74.57529407545546
2002 77.52882945012352
2003 78.42419366246995
2004 79.36136088762686
2005 83.37387795926324
2006 84.06437583715046
2007 86.54256489669507
2008 87.83084676746437
2009 86.92058516196447
2010 86.57936487517902
2011 85.83598983992772
2012 88.7170719435415
2013 88.56594694801123
2014 91.79698446224303
2015 96.67042407968918
2016 98.2214911308714
2017 99.54582173075843
2018 99.99992073438011
2019 104.59332496556735
2020 101.8374968809186
2021 100.74596445458992
2022 105.07909488826887
2023 111.7457541523268