Tableau de données
| 1950 | 171 M | 1976 | 2,44 Md | 2002 | 7,95 Md |
| 1951 | 294 M | 1977 | 2,5 Md | 2003 | 9,93 Md |
| 1952 | 440 M | 1978 | 2,82 Md | 2004 | 12 Md |
| 1953 | 462 M | 1979 | 3,1 Md | 2005 | 13,2 Md |
| 1954 | 417 M | 1980 | 3,66 Md | 2006 | 14,2 Md |
| 1955 | 432 M | 1981 | 4,32 Md | 2007 | 17,2 Md |
| 1956 | 445 M | 1982 | 4,46 Md | 2008 | 18,6 Md |
| 1957 | 438 M | 1983 | 4,51 Md | 2009 | 19 Md |
| 1958 | 440 M | 1984 | 4,93 Md | 2010 | 23,2 Md |
| 1959 | 450 M | 1985 | 4,39 Md | 2011 | 26,6 Md |
| 1960 | 460 M | 1986 | 4,61 Md | 2012 | 26,2 Md |
| 1961 | 471 M | 1987 | 5,06 Md | 2013 | 24,8 Md |
| 1962 | 489 M | 1988 | 5,84 Md | 2014 | 25,8 Md |
| 1963 | 553 M | 1989 | 6,3 Md | 2015 | 24 Md |
| 1964 | 656 M | 1990 | 6,7 Md | 2016 | 26,4 Md |
| 1965 | 787 M | 1991 | 7,02 Md | 2017 | 27,7 Md |
| 1966 | 987 M | 1992 | 6,88 Md | 2018 | 26,8 Md |
| 1967 | 1,2 Md | 1993 | 6,73 Md | 2019 | 26,1 Md |
| 1968 | 1,32 Md | 1994 | 7,46 Md | 2020 | 27,3 Md |
| 1969 | 1,31 Md | 1995 | 7,67 Md | 2021 | 32,7 Md |
| 1970 | 1,28 Md | 1996 | 8,2 Md | 2022 | 32,4 Md |
| 1971 | 1,33 Md | 1997 | 7,94 Md | 2023 | 32,4 Md |
| 1972 | 1,48 Md | 1998 | 7,11 Md | 2024 | 34,2 Md |
| 1973 | 1,86 Md | 1999 | 7,77 Md | 2025 | 35,3 Md |
| 1974 | 2,13 Md | 2000 | 7,27 Md | | |
| 1975 | 2,27 Md | 2001 | 7,04 Md | | |
Tableau de données
| 1950 | 2,9% | 1976 | 2,2% | 2002 | 1,9% |
| 1951 | 3,7% | 1977 | 2,2% | 2003 | 1,8% |
| 1952 | 5,2% | 1978 | 2,2% | 2004 | 1,8% |
| 1953 | 4,8% | 1979 | 2,2% | 2005 | 1,8% |
| 1954 | 4% | 1980 | 2,2% | 2006 | 1,8% |
| 1955 | 3,9% | 1981 | 2,3% | 2007 | 1,8% |
| 1956 | 3,7% | 1982 | 2,4% | 2008 | 1,8% |
| 1957 | 3,3% | 1983 | 2,5% | 2009 | 1,9% |
| 1958 | 3,3% | 1984 | 2,5% | 2010 | 1,8% |
| 1959 | 3,1% | 1985 | 2,5% | 2011 | 1,7% |
| 1960 | 2,4% | 1986 | 2,5% | 2012 | 1,7% |
| 1961 | 2,4% | 1987 | 2,4% | 2013 | 1,6% |
| 1962 | 2,4% | 1988 | 2,2% | 2014 | 1,8% |
| 1963 | 2,4% | 1989 | 2% | 2015 | 1,9% |
| 1964 | 2,6% | 1990 | 2,1% | 2016 | 2,1% |
| 1965 | 3% | 1991 | 2,2% | 2017 | 2% |
| 1966 | 3,5% | 1992 | 2,2% | 2018 | 1,9% |
| 1967 | 3,8% | 1993 | 2,2% | 2019 | 1,9% |
| 1968 | 3,8% | 1994 | 2,1% | 2020 | 2% |
| 1969 | 3,4% | 1995 | 2% | 2021 | 2% |
| 1970 | 3% | 1996 | 1,9% | 2022 | 1,9% |
| 1971 | 2,8% | 1997 | 1,9% | 2023 | 1,9% |
| 1972 | 2,7% | 1998 | 1,9% | 2024 | 1,9% |
| 1973 | 2,4% | 1999 | 1,9% | 2025 | 1,9% |
| 1974 | 2,3% | 2000 | 1,8% | | |
| 1975 | 2,3% | 2001 | 1,9% | | |