Annual base year varies by country
1960 0.9217420020711998
1961 0.9553529673426656
1962 0.9568810370062186
1963 0.9458839280746527
1964 0.988339421926456
1965 1.0196290882409058
1966 1.0665387386215792
1967 1.1512180937615812
1968 1.1566206286700407
1969 1.1836343293568454
1970 1.2275276687816215
1971 1.2995895640263662
1972 1.3876312355647176
1973 1.5999592618964058
1974 2.017127868526269
1975 2.4427035013751706
1976 2.7236744919954687
1977 3.009841870908749
1978 3.2801962726532423
1979 3.494504618291156
1980 3.8092969104298184
1981 4.193172695557592
1982 4.586142069589485
1983 4.828019037689191
1984 5.294094484463564
1985 5.5341786404303965
1986 5.716363847605767
1987 5.974640929244725
1988 6.5492556442216605
1989 7.111512386046505
1990 7.5703471060203045
1991 8.591769849416112
1992 9.468251325779333
1993 10.305107749472175
1994 11.64770006137591
1995 13.162656360680616
1996 14.26484586925272
1997 16.17398360434806
1998 17.391243577905048
1999 18.410768047364712
2000 30.932013323689606
2001 32.7918910804438
2002 34.077785270185466
2003 35.28845246205849
2004 37.84733918388574
2005 39.950168295985264
2006 42.3462348413628
2007 46.72116181517604
2008 51.823331000336715
2009 58.236274544278686
2010 64.40270648746123
2011 74.97180648421417
2012 82.4077467407085
2013 88.49199883198672
2014 94.87206438028636
2015 99.08626282288378
2016 100
2017 104.02974599325579
2018 108.02634686890636
2019 117.78796928924251
2020 129.5013917874814
2021 142.79774268153008
2022 162.67147289965598
2023 205.2268836342487