Annual base year varies by country
1960 1.1825862393030672E-09
1961 1.1820260424470892E-09
1962 1.1756966791332546E-09
1963 1.1708976240396253E-09
1964 1.2238297180238542E-09
1965 1.2341156342229339E-09
1966 1.2792974320374195E-09
1967 1.2954976573236537E-09
1968 1.3536649752682532E-09
1969 1.3695273603077614E-09
1970 1.4029265061383207E-09
1971 1.445458425611251E-09
1972 1.5069010271500998E-09
1973 1.7580141538778197E-09
1974 2.141108047390091E-09
1975 2.242425998832328E-09
1976 2.4764007828676735E-09
1977 2.769915468409506E-09
1978 2.874376361501116E-09
1979 3.784360253997424E-09
1980 5.1837647543384785E-09
1981 5.7913599722731335E-09
1982 6.761164659489738E-09
1983 7.50502714524172E-09
1984 1.0429135721237499E-08
1985 2.7865500387026674E-08
1986 1.0629579236206934E-07
1987 6.623088353007058E-07
1988 9.081336886734192E-05
1989 0.00436918515206312
1990 0.22353222890043822
1991 10.33530740467257
1992 12.781190139768645
1993 15.387482533536096
1994 35.96128488726051
1995 40.777466053426934
1996 44.694880917459194
1997 49.06514333019425
1998 55.94824095437395
1999 61.110155813237924
2000 66.34499131121446
2001 71.14937005353484
2002 73.46057106700094
2003 77.3768108203141
2004 84.38011045174345
2005 92.70597539311028
2006 100
2007 109.67486185633058
2008 127.44137071361654
2009 135.1322573414033
2010 143.42718684823947
2011 158.07724207565542
2012 167.94639108233667
2013 175.2523622657097
2014 189.9606408337491
2015 204.37483836080222
2016 213.75642935439444
2017 222.57083606434077
2018 228.48787755805486
2019 240.81459725299575
2020 253.7987260849549
2021 262.79252818307646
2022 285.860051629065
2023 316.35536771579933
