Tableau de données
| 1957 | 201 M | 1980 | 2 Md | 2003 | 3,27 Md |
| 1958 | 219 M | 1981 | 1,81 Md | 2004 | 3,5 Md |
| 1959 | 211 M | 1982 | 1,93 Md | 2005 | 3,48 Md |
| 1960 | 200 M | 1983 | 1,95 Md | 2006 | 3,33 Md |
| 1961 | 237 M | 1984 | 1,81 Md | 2007 | 3,52 Md |
| 1962 | 274 M | 1985 | 1,97 Md | 2008 | 4,1 Md |
| 1963 | 295 M | 1986 | 2,57 Md | 2009 | 4,06 Md |
| 1964 | 330 M | 1987 | 3,02 Md | 2010 | 4,12 Md |
| 1965 | 343 M | 1988 | 3,28 Md | 2011 | 4,97 Md |
| 1966 | 378 M | 1989 | 3,08 Md | 2012 | 4,59 Md |
| 1967 | 383 M | 1990 | 4,06 Md | 2013 | 5,03 Md |
| 1968 | 374 M | 1991 | 4,02 Md | 2014 | 4,61 Md |
| 1969 | 409 M | 1992 | 4,14 Md | 2015 | 4,52 Md |
| 1970 | 436 M | 1993 | 3,61 Md | 2016 | 4,57 Md |
| 1971 | 511 M | 1994 | 3,9 Md | 2017 | 4,63 Md |
| 1972 | 601 M | 1995 | 4,65 Md | 2018 | 4,74 Md |
| 1973 | 765 M | 1996 | 4,24 Md | 2019 | 5,02 Md |
| 1974 | 888 M | 1997 | 3,5 Md | 2020 | 5,73 Md |
| 1975 | 1,03 Md | 1998 | 3,49 Md | 2021 | 5,49 Md |
| 1976 | 1,23 Md | 1999 | 3,15 Md | 2022 | 5,65 Md |
| 1977 | 1,23 Md | 2000 | 2,8 Md | 2023 | 6,31 Md |
| 1978 | 1,67 Md | 2001 | 2,76 Md | 2024 | 6,54 Md |
| 1979 | 1,95 Md | 2002 | 2,88 Md | 2025 | 7,59 Md |
Tableau de données
| 1957 | 2,8% | 1980 | 1,7% | 2003 | 0,9% |
| 1958 | 3% | 1981 | 1,7% | 2004 | 0,9% |
| 1959 | 2,7% | 1982 | 1,7% | 2005 | 0,8% |
| 1960 | 2,3% | 1983 | 1,7% | 2006 | 0,8% |
| 1961 | 2,5% | 1984 | 1,7% | 2007 | 0,7% |
| 1962 | 2,6% | 1985 | 1,8% | 2008 | 0,7% |
| 1963 | 2,5% | 1986 | 1,7% | 2009 | 0,7% |
| 1964 | 2,5% | 1987 | 1,6% | 2010 | 0,7% |
| 1965 | 2,5% | 1988 | 1,6% | 2011 | 0,7% |
| 1966 | 2,5% | 1989 | 1,5% | 2012 | 0,7% |
| 1967 | 2,4% | 1990 | 1,6% | 2013 | 0,7% |
| 1968 | 2,2% | 1991 | 1,5% | 2014 | 0,6% |
| 1969 | 2,2% | 1992 | 1,5% | 2015 | 0,7% |
| 1970 | 2,1% | 1993 | 1,4% | 2016 | 0,7% |
| 1971 | 2,1% | 1994 | 1,3% | 2017 | 0,7% |
| 1972 | 2% | 1995 | 1,4% | 2018 | 0,7% |
| 1973 | 1,9% | 1996 | 1,3% | 2019 | 0,7% |
| 1974 | 1,9% | 1997 | 1,2% | 2020 | 0,8% |
| 1975 | 1,9% | 1998 | 1,2% | 2021 | 0,7% |
| 1976 | 2,2% | 1999 | 1,1% | 2022 | 0,7% |
| 1977 | 2% | 2000 | 1% | 2023 | 0,7% |
| 1978 | 2% | 2001 | 1% | 2024 | 0,7% |
| 1979 | 2% | 2002 | 1% | 2025 | 0,8% |