Show data table
| 1956 | 3.71M | 1980 | 194M | 2004 | 445M |
| 1957 | 6.41M | 1981 | 229M | 2005 | 468M |
| 1958 | 9.52M | 1982 | 329M | 2006 | 497M |
| 1959 | 14.3M | 1983 | 383M | 2007 | 491M |
| 1960 | 16M | 1984 | 249M | 2008 | 579M |
| 1961 | 18.6M | 1985 | 216M | 2009 | 565M |
| 1962 | 14.3M | 1986 | 207M | 2010 | 571M |
| 1963 | 15.2M | 1987 | 194M | 2011 | 715M |
| 1964 | 17.5M | 1988 | 233M | 2012 | 681M |
| 1965 | 12.8M | 1989 | 234M | 2013 | 759M |
| 1966 | 13.7M | 1990 | 248M | 2014 | 908M |
| 1967 | 15.4M | 1991 | 260M | 2015 | 979M |
| 1968 | 17.5M | 1992 | 290M | 2016 | 987M |
| 1969 | 17M | 1993 | 276M | 2017 | 857M |
| 1970 | 22.5M | 1994 | 297M | 2018 | 844M |
| 1971 | 24.9M | 1995 | 343M | 2019 | 999M |
| 1972 | 31.7M | 1996 | 397M | 2020 | 1.15B |
| 1973 | 38.2M | 1997 | 358M | 2021 | 1.23B |
| 1974 | 46.5M | 1998 | 366M | 2022 | 1.15B |
| 1975 | 75.3M | 1999 | 357M | 2023 | 1.21B |
| 1976 | 84M | 2000 | 332M | 2024 | 1.32B |
| 1977 | 122M | 2001 | 336M | 2025 | 1.48B |
| 1978 | 148M | 2002 | 345M | | |
| 1979 | 161M | 2003 | 407M | | |
Show data table
| 1960 | 2% | 1982 | 3.7% | 2004 | 1.4% |
| 1961 | 2.2% | 1983 | 4.2% | 2005 | 1.5% |
| 1962 | 1.7% | 1984 | 2.8% | 2006 | 1.4% |
| 1963 | 1.5% | 1985 | 2.3% | 2007 | 1.3% |
| 1964 | 1.7% | 1986 | 2.1% | 2008 | 1.3% |
| 1965 | 1.3% | 1987 | 1.8% | 2009 | 1.3% |
| 1966 | 1.3% | 1988 | 2.1% | 2010 | 1.2% |
| 1967 | 1.4% | 1989 | 2.1% | 2011 | 1.5% |
| 1968 | 1.4% | 1990 | 1.8% | 2012 | 1.4% |
| 1969 | 1.3% | 1991 | 1.8% | 2013 | 1.6% |
| 1970 | 1.6% | 1992 | 1.7% | 2014 | 1.8% |
| 1971 | 1.5% | 1993 | 1.7% | 2015 | 2.1% |
| 1972 | 1.4% | 1994 | 1.7% | 2016 | 2.2% |
| 1973 | 1.4% | 1995 | 1.7% | 2017 | 2% |
| 1974 | 1.3% | 1996 | 1.9% | 2018 | 2% |
| 1975 | 1.7% | 1997 | 1.7% | 2019 | 2.4% |
| 1976 | 1.9% | 1998 | 1.7% | 2020 | 2.7% |
| 1977 | 2.4% | 1999 | 1.6% | 2021 | 2.6% |
| 1978 | 2.5% | 2000 | 1.5% | 2022 | 2.6% |
| 1979 | 2.2% | 2001 | 1.5% | 2023 | 2.5% |
| 1980 | 2% | 2002 | 1.5% | 2024 | 2.5% |
| 1981 | 2.5% | 2003 | 1.5% | 2025 | 2.5% |