Annual base year varies by country
1960 2.9775213108669525
1961 3.1022513182390776
1962 3.1929603652045073
1963 3.2610663824604647
1964 3.446442132771664
1965 3.518028248670587
1966 3.609696296024633
1967 3.7043107663915804
1968 3.7579744204128427
1969 3.855875978921625
1970 4.027291848376394
1971 3.9154322028010267
1972 4.066745013552441
1973 4.28414527233651
1974 4.917296678766085
1975 5.231256282496198
1976 5.677596962219322
1977 6.3702342521408575
1978 11.152615675471921
1979 12.084400455837033
1980 13.449025910283579
1981 13.87526969181219
1982 14.949222311108118
1983 15.544921631340783
1984 16.052294771028876
1985 16.319001000224244
1986 16.66637996894808
1987 17.04012398626491
1988 18.603983147099775
1989 20.744128167392166
1990 25.931962352341504
1991 32.74783402867937
1992 33.95104639292969
1993 37.65463511129768
1994 45.68968264266446
1995 56.52451967633535
1996 66.80835216485168
1997 78.03990853051627
1998 86.07723474029605
1999 92.59821129680564
2000 100
2001 108.08434938014908
2002 113.63117325493218
2003 120.17603426441323
2004 127.92977258865557
2005 137.24199074285005
2006 144.58260296064643
2007 154.16193368389855
2008 166.17194015409177
2009 178.8902958159748
2010 187.25528349886565
2011 201.8746877980794
2012 209.1013724884295
2013 211.97448916115863
2014 226.49337808938284
2015 242.19564389436096
2016 251.10376471922584
2017 262.43568332871314
2018 267.54587534630036
2019 276.5320480467898
2020 285.9396193295055
2021 299.1092206942237
2022 326.9634528965062
2023 347.16517671266087
