Annual base year varies by country
1960 0.010044471217909353
1961 0.010902545629769047
1962 0.011076229143614358
1963 0.011598010033216635
1964 0.012051025717738254
1965 0.01176244252388156
1966 0.012515750588837438
1967 0.013361788473773882
1968 0.013678147808295375
1969 0.014855488938698985
1970 0.015943005404656065
1971 0.01698916509991493
1972 0.019419541629250713
1973 0.02391547285981705
1974 0.027607803295403265
1975 0.02906667310078143
1976 0.031062397257646316
1977 0.036468496403286504
1978 0.04555277070280667
1979 0.05647399400402714
1980 0.06891327508869623
1981 0.0861258675373332
1982 0.11247198518379077
1983 0.1417800015017686
1984 0.1894703744460314
1985 0.27694722681428297
1986 0.356271993129388
1987 0.4485156334069434
1988 0.8022267068827893
1989 1.0969539844197689
1990 1.823527909951233
1991 3.442325538012169
1992 7.202503545755954
1993 14.224033260187529
1994 36.878220413747734
1995 75.43625438362903
1996 100
1997 137.92116997776697
1998 162.28118046253903
1999 187.95986965777257
2000 206.4798129705919
2001 250.11723815499698
2002 277.13298940355844
2003 304.29181203216876
2004 356.8551733091004
2005 421.28324395530933
2006 453.52090912824076
2007 522.9396380183697
2008 569.4342881111417
2009 580.0379055998716
2010 711.5291300066183
2011 898.8630094580199
2012 1169.6777884595938
2013 1595.7753718895763
2014 2139.407936745549
2015 2439.407643535141
2016 2944.0134517461624
2017 3963.3007033958797
2018 6181.771170436431
2019 9394.98741404506
2020 20260.56422362323
2021 67977.32192717503
2022 147425.18841518112
2023 452469.619712738