Annual base year varies by country
1960 0.928434133086789
1961 0.9865307279347396
1962 0.9867499695499105
1963 1.0377063203751338
1964 0.9469773258459453
1965 1.022088773337838
1966 1.0864414125589812
1967 1.2471474292271318
1968 1.175192205941583
1969 1.314190600179436
1970 1.3208970337286277
1971 1.3600385802297579
1972 1.4199077458064417
1973 2.2918132189246725
1974 3.312649092858116
1975 5.981642397487072
1976 4.9270537622265165
1977 4.76888765377612
1978 5.990623525580779
1979 6.743315777288025
1980 7.927109386087607
1981 8.711472310526496
1982 9.570058684248792
1983 10.382341902784658
1984 11.200010127927442
1985 13.271464959460195
1986 14.366945412615314
1987 15.964496752693439
1988 17.161169135285725
1989 18.592062827148286
1990 19.806633077015647
1991 20.347261464062438
1992 20.872660697262635
1993 20.90512147777789
1994 21.73426381661715
1995 23.287163643950553
1996 27.745075008245124
1997 28.799452282875958
1998 30.163455559638848
1999 31.30394719702645
2000 32.38288761974511
2001 33.43894544046327
2002 34.74067925813509
2003 36.76113346602194
2004 38.43822650946305
2005 40.20114222633718
2006 42.563335538885525
2007 45.31771969098141
2008 48.88013027043742
2009 52.186555650424935
2010 55.91510919762407
2011 60.3097297242588
2012 65.23376204154096
2013 69.91425409017467
2014 73.87754530347503
2015 78.21620882252904
2016 100
2017 105.04759758203714
2018 111.14617658351251
2019 115.21205660630578
2020 119.63742472873022
2021 124.56789201651239
2022 130.85735213842506
2023 139.88274603091688
