Annual base year varies by country
1960 1.013724233861659
1961 1.0248363995033565
1962 1.0729023898249574
1963 1.0848192336846818
1964 1.1217638286971183
1965 1.1675110051150104
1966 1.2249706630824353
1967 1.2515494482676042
1968 1.2700368464709222
1969 1.3104397747236067
1970 1.3602277544042083
1971 1.4006948595094026
1972 1.4713833915108676
1973 1.7790549982983794
1974 2.1843314024289495
1975 2.4709161064477674
1976 2.8769976474943895
1977 3.2727121238326697
1978 3.723955067561612
1979 4.4743584554678835
1980 5.335200408193553
1981 6.488245608007662
1982 8.253875457324277
1983 9.95518187978426
1984 12.137203416211499
1985 14.446422324907896
1986 17.174195577861
1987 19.793720451557512
1988 23.09528751618131
1989 26.44386695829889
1990 31.91526158500429
1991 38.230571031526345
1992 43.88824224497068
1993 50.22076581679956
1994 55.83639579251598
1995 61.30380425911232
1996 65.98477889556658
1997 70.30901255192698
1998 73.8972810744179
1999 76.57438246901016
2000 77.79396021269726
2001 80.49710785506343
2002 83.19277157642108
2003 86.06589536226836
2004 88.70180295063118
2005 90.68900664860048
2006 93.85862605918909
2007 97.07109429381491
2008 101.28842867645042
2009 103.89130900880824
2010 103.70692180911705
2011 104.70148983631158
2012 104.41341164072584
2013 102.27750561676781
2014 100.29459575052269
2015 100
2016 99.4214192484161
2017 99.70517420208128
2018 99.5404173418504
2019 99.766219995737
2020 99.01603055225615
2021 100.48673570894007
2022 108.37177384854357
2023 113.2696185684034
