Show data table
| 1953 | 4.43M | 1979 | 54.6M | 2003 | 127M |
| 1956 | 4.99M | 1980 | 62.1M | 2004 | 128M |
| 1957 | 5.5M | 1981 | 78.4M | 2005 | 133M |
| 1958 | 5.44M | 1982 | 94.4M | 2006 | 142M |
| 1959 | 4.47M | 1983 | 125M | 2007 | 166M |
| 1960 | 4.38M | 1984 | 236M | 2008 | 173M |
| 1961 | 4.44M | 1985 | 250M | 2009 | 190M |
| 1962 | 6.22M | 1986 | 163M | 2010 | 201M |
| 1963 | 6.1M | 1987 | 177M | 2011 | 221M |
| 1964 | 5.72M | 1988 | 179M | 2012 | 224M |
| 1965 | 6.48M | 1989 | 213M | 2013 | 238M |
| 1966 | 6.59M | 1990 | 164M | 2014 | 234M |
| 1967 | 6.78M | 1991 | 145M | 2015 | 248M |
| 1968 | 6.62M | 1992 | 134M | 2016 | 248M |
| 1969 | 7.51M | 1993 | 116M | 2017 | 261M |
| 1970 | 7.14M | 1994 | 109M | 2018 | 295M |
| 1971 | 8.52M | 1995 | 112M | 2019 | 317M |
| 1972 | 11.1M | 1996 | 111M | 2020 | 344M |
| 1973 | 12.5M | 1997 | 112M | 2021 | 352M |
| 1974 | 13.4M | 1998 | 111M | 2022 | 458M |
| 1975 | 15.7M | 1999 | 115M | 2023 | 455M |
| 1976 | 20.5M | 2000 | 110M | 2024 | 491M |
| 1977 | 28.6M | 2001 | 151M | 2025 | 490M |
| 1978 | 35M | 2002 | 162M | | |
Show data table
| 1965 | 0.7% | 1986 | 4.3% | 2007 | 1% |
| 1966 | 0.7% | 1987 | 4.5% | 2008 | 1% |
| 1967 | 0.7% | 1988 | 4.3% | 2009 | 1.1% |
| 1968 | 0.7% | 1989 | 4.9% | 2010 | 1.1% |
| 1969 | 0.7% | 1990 | 3.4% | 2011 | 1.1% |
| 1970 | 0.6% | 1991 | 2.7% | 2012 | 1% |
| 1971 | 0.7% | 1992 | 2.3% | 2013 | 1.1% |
| 1972 | 0.9% | 1993 | 1.7% | 2014 | 1% |
| 1973 | 0.9% | 1994 | 1.4% | 2015 | 1.1% |
| 1974 | 0.8% | 1995 | 1.2% | 2016 | 1% |
| 1975 | 0.8% | 1996 | 1.1% | 2017 | 1% |
| 1976 | 0.9% | 1997 | 1% | 2018 | 1.1% |
| 1977 | 1% | 1998 | 0.9% | 2019 | 1.2% |
| 1978 | 1.1% | 1999 | 0.9% | 2020 | 1.4% |
| 1979 | 1.6% | 2000 | 0.8% | 2021 | 1.2% |
| 1980 | 1.7% | 2001 | 1.1% | 2022 | 1.4% |
| 1981 | 2.3% | 2002 | 1.1% | 2023 | 1.3% |
| 1982 | 2.8% | 2003 | 0.8% | 2024 | 1.4% |
| 1983 | 3.6% | 2004 | 0.8% | 2025 | 1.3% |
| 1984 | 6.4% | 2005 | 0.9% | | |
| 1985 | 6.6% | 2006 | 0.9% | | |