Mostrar tabla de datos
| 1957 | 45,4 M | 1980 | 416 M | 2003 | 612 M |
| 1958 | 48,4 M | 1981 | 439 M | 2004 | 587 M |
| 1959 | 59 M | 1982 | 465 M | 2005 | 604 M |
| 1960 | 56,1 M | 1983 | 485 M | 2006 | 702 M |
| 1961 | 55,5 M | 1984 | 458 M | 2007 | 1,03 mil M |
| 1962 | 60,4 M | 1985 | 502 M | 2008 | 1,36 mil M |
| 1963 | 61,9 M | 1986 | 626 M | 2009 | 1,57 mil M |
| 1964 | 61,9 M | 1987 | 647 M | 2010 | 1,56 mil M |
| 1965 | 62,9 M | 1988 | 588 M | 2011 | 1,59 mil M |
| 1966 | 76,1 M | 1989 | 383 M | 2012 | 1,47 mil M |
| 1967 | 105 M | 1990 | 322 M | 2013 | 1,44 mil M |
| 1968 | 128 M | 1991 | 433 M | 2014 | 1,55 mil M |
| 1969 | 126 M | 1992 | 368 M | 2015 | 1,61 mil M |
| 1970 | 110 M | 1993 | 391 M | 2016 | 1,77 mil M |
| 1971 | 109 M | 1994 | 408 M | 2017 | 1,94 mil M |
| 1972 | 129 M | 1995 | 300 M | 2018 | 1,96 mil M |
| 1973 | 151 M | 1996 | 417 M | 2019 | 2,03 mil M |
| 1974 | 163 M | 1997 | 444 M | 2020 | 2,06 mil M |
| 1975 | 181 M | 1998 | 496 M | 2021 | 2,18 mil M |
| 1976 | 295 M | 1999 | 512 M | 2022 | 2,33 mil M |
| 1977 | 263 M | 2000 | 529 M | 2023 | 2,46 mil M |
| 1978 | 305 M | 2001 | 529 M | 2024 | 2,53 mil M |
| 1979 | 400 M | 2002 | 522 M | 2025 | 2,56 mil M |
Mostrar tabla de datos
| 1959 | 22,5% | 1982 | 9,9% | 2005 | 4,8% |
| 1960 | 20,4% | 1983 | 9,9% | 2006 | 4,7% |
| 1961 | 16,5% | 1984 | 9,2% | 2007 | 5,9% |
| 1962 | 18,1% | 1985 | 10% | 2008 | 6% |
| 1963 | 17,1% | 1986 | 9,8% | 2009 | 6,4% |
| 1964 | 14,8% | 1987 | 9,6% | 2010 | 5,7% |
| 1965 | 13,4% | 1988 | 9,4% | 2011 | 5,4% |
| 1966 | 19,5% | 1989 | 9,1% | 2012 | 4,7% |
| 1967 | 23,5% | 1990 | 7,8% | 2013 | 4,2% |
| 1968 | 24,1% | 1991 | 10% | 2014 | 4,2% |
| 1969 | 20,2% | 1992 | 6,9% | 2015 | 4,2% |
| 1970 | 18,5% | 1993 | 7% | 2016 | 4,4% |
| 1971 | 17,2% | 1994 | 6,5% | 2017 | 4,7% |
| 1972 | 18,4% | 1995 | 4,5% | 2018 | 4,6% |
| 1973 | 18,7% | 1996 | 6% | 2019 | 4,6% |
| 1974 | 17,5% | 1997 | 6,1% | 2020 | 4,7% |
| 1975 | 15,2% | 1998 | 6,3% | 2021 | 4,7% |
| 1976 | 17,2% | 1999 | 6,3% | 2022 | 4,8% |
| 1977 | 12,5% | 2000 | 6,3% | 2023 | 4,8% |
| 1978 | 11,7% | 2001 | 5,9% | 2024 | 4,7% |
| 1979 | 12,2% | 2002 | 5,4% | 2025 | 4,6% |
| 1980 | 10,6% | 2003 | 6% | | |
| 1981 | 10% | 2004 | 5,1% | | |