Annual base year varies by country
1960 5.242171290970283
1961 5.507658387100121
1962 5.678944308575512
1963 5.663945136210517
1964 5.914350038287462
1965 6.07713848437016
1966 6.0885863981444395
1967 7.52726974703598
1968 7.960142700258781
1969 8.382186393760032
1970 9.043038250627562
1971 9.354130041853715
1972 10.10025132310368
1973 10.759750570343819
1974 11.906319582764622
1975 12.619516796472618
1976 15.102336500249086
1977 15.99107484688711
1978 16.53633957791998
1979 18.661716732865848
1980 21.320245237800723
1981 23.1964681429764
1982 26.091840035415675
1983 29.421960347118954
1984 33.40928084237692
1985 37.146819815148504
1986 37.213400171683105
1987 36.323140595718655
1988 36.618774152243795
1989 35.95264819700426
1990 36.5433855954016
1991 37.84751434130896
1992 37.363947615239354
1993 58.19635835586895
1994 61.61974304313493
1995 65.70791354496211
1996 65.97768335063846
1997 70.04442309051325
1998 70.79100549763623
1999 72.33976297540927
2000 73.44769198953729
2001 75.26137911933296
2002 77.34950070146327
2003 78.86007027699469
2004 78.97007048155153
2005 80.04180644314054
2006 81.88250783774188
2007 82.2843118827204
2008 86.34959860152216
2009 89.46121949860813
2010 90.0768800552929
2011 92.40901033667296
2012 94.20385701935612
2013 97.08033332930115
2014 99.03573766468212
2015 99.34254213799586
2016 100
2017 101.02514116066253
2018 102.94157962526324
2019 104.14576121387182
2020 104.88058458336518
2021 107.9000248934675
2022 113.65823057488087
2023 116.75656479544077
