Annual base year varies by country
1960 0.09109085569919226
1961 0.09500184491256974
1962 0.09856447171355347
1963 0.10129961945685437
1964 0.10080794874556014
1965 0.09900631736568336
1966 0.1009085743146664
1967 0.10581717722644855
1968 0.11316657897231662
1969 0.11476882947420552
1970 0.11825334941891932
1971 0.12078588553380587
1972 0.1327263837056077
1973 0.14104757762245548
1974 0.19390114363905558
1975 0.22232346039004644
1976 0.20948082629020223
1977 0.21299919337074796
1978 0.24449705772028588
1979 0.2605432530884071
1980 0.2912321041875211
1981 0.3038737313065019
1982 0.3169476085519772
1983 0.3452183356152006
1984 0.41178247962262743
1985 0.4715325246609264
1986 0.5294997281213978
1987 0.8403733663104351
1988 1.0390883694724
1989 2.728085051461006
1990 4.2679420073502135
1991 10.009930636757744
1992 11.14112723984405
1993 13.029647329494972
1994 15.188972248577956
1995 17.065069862703695
1996 17.735826043641715
1997 17.991799010343534
1998 18.52617214008794
1999 20.60304995550023
2000 21.959975834392928
2001 22.030680712059286
2002 22.607609509616854
2003 23.674364650261285
2004 25.278359162168297
2005 27.20771195719775
2006 74.7824925985229
2007 80.92289083230338
2008 88.6548696000069
2009 89.67716127490948
2010 93.2393644831891
2011 95.48579898086878
2012 100
2013 99.46331947189428
2014 97.36921487792169
2015 100.29448746697656
2016 101.19530840902856
2017 103.32952543144512
2018 100.3458978612453
2019 103.3173290118792
2020 76.14890181374456
2021 93.26048817823701
2022 104.44083464616773
2023 89.54850537208426
