Tableau de données
| 1949 | 14,1 Md | 1975 | 92,1 Md | 2001 | 332 Md |
| 1950 | 14,9 Md | 1976 | 94,7 Md | 2002 | 378 Md |
| 1951 | 34,5 Md | 1977 | 105 Md | 2003 | 441 Md |
| 1952 | 49,7 Md | 1978 | 113 Md | 2004 | 493 Md |
| 1953 | 51,5 Md | 1979 | 127 Md | 2005 | 533 Md |
| 1954 | 44,6 Md | 1980 | 144 Md | 2006 | 558 Md |
| 1955 | 42,1 Md | 1981 | 177 Md | 2007 | 590 Md |
| 1956 | 43,3 Md | 1982 | 222 Md | 2008 | 657 Md |
| 1957 | 46,1 Md | 1983 | 223 Md | 2009 | 706 Md |
| 1958 | 47,1 Md | 1984 | 245 Md | 2010 | 738 Md |
| 1959 | 47,8 Md | 1985 | 272 Md | 2011 | 752 Md |
| 1960 | 47,3 Md | 1986 | 296 Md | 2012 | 725 Md |
| 1961 | 49,9 Md | 1987 | 304 Md | 2013 | 679 Md |
| 1962 | 54,7 Md | 1988 | 310 Md | 2014 | 648 Md |
| 1963 | 54,6 Md | 1989 | 322 Md | 2015 | 634 Md |
| 1964 | 53,4 Md | 1990 | 325 Md | 2016 | 640 Md |
| 1965 | 54,6 Md | 1991 | 299 Md | 2017 | 647 Md |
| 1966 | 66,4 Md | 1992 | 325 Md | 2018 | 682 Md |
| 1967 | 78,4 Md | 1993 | 317 Md | 2019 | 734 Md |
| 1968 | 84,3 Md | 1994 | 308 Md | 2020 | 778 Md |
| 1969 | 85 Md | 1995 | 296 Md | 2021 | 806 Md |
| 1970 | 83,4 Md | 1996 | 288 Md | 2022 | 861 Md |
| 1971 | 78,2 Md | 1997 | 293 Md | 2023 | 916 Md |
| 1972 | 80,7 Md | 1998 | 291 Md | 2024 | 1 Bn |
| 1973 | 81,5 Md | 1999 | 298 Md | 2025 | 954 Md |
| 1974 | 89,3 Md | 2000 | 320 Md | | |
Tableau de données
| 1949 | 5,3% | 1975 | 5,6% | 2001 | 3,1% |
| 1950 | 5,1% | 1976 | 5,2% | 2002 | 3,4% |
| 1951 | 10,2% | 1977 | 5,2% | 2003 | 3,8% |
| 1952 | 13,9% | 1978 | 4,9% | 2004 | 4% |
| 1953 | 13,6% | 1979 | 5% | 2005 | 4,1% |
| 1954 | 11,7% | 1980 | 5,2% | 2006 | 4% |
| 1955 | 10,2% | 1981 | 5,6% | 2007 | 4,1% |
| 1956 | 9,9% | 1982 | 6,8% | 2008 | 4,4% |
| 1957 | 10% | 1983 | 6,3% | 2009 | 4,9% |
| 1958 | 10,1% | 1984 | 6,2% | 2010 | 4,9% |
| 1959 | 9,4% | 1985 | 6,5% | 2011 | 4,8% |
| 1960 | 9% | 1986 | 6,6% | 2012 | 4,5% |
| 1961 | 9,2% | 1987 | 6,4% | 2013 | 4% |
| 1962 | 9,3% | 1988 | 6,1% | 2014 | 3,7% |
| 1963 | 8,8% | 1989 | 5,9% | 2015 | 3,5% |
| 1964 | 8,1% | 1990 | 5,6% | 2016 | 3,4% |
| 1965 | 7,6% | 1991 | 4,9% | 2017 | 3,3% |
| 1966 | 8,4% | 1992 | 5% | 2018 | 3,3% |
| 1967 | 9,4% | 1993 | 4,6% | 2019 | 3,4% |
| 1968 | 9,3% | 1994 | 4,2% | 2020 | 3,6% |
| 1969 | 8,6% | 1995 | 3,9% | 2021 | 3,4% |
| 1970 | 8% | 1996 | 3,6% | 2022 | 3,3% |
| 1971 | 6,9% | 1997 | 3,4% | 2023 | 3,3% |
| 1972 | 6,5% | 1998 | 3,2% | 2024 | 3,4% |
| 1973 | 5,9% | 1999 | 3,1% | 2025 | 3,1% |
| 1974 | 6% | 2000 | 3,1% | | |