Show data table
| 1960 | 7.09M | 1982 | 208M | 2004 | 84.5M |
| 1961 | 7.19M | 1983 | 221M | 2005 | 77.5M |
| 1962 | 8.28M | 1984 | 173M | 2006 | 107M |
| 1963 | 9.21M | 1985 | 158M | 2007 | 132M |
| 1964 | 9.82M | 1986 | 191M | 2008 | 168M |
| 1965 | 11.7M | 1987 | 117M | 2009 | 168M |
| 1966 | 13.6M | 1988 | 178M | 2010 | 205M |
| 1967 | 14.9M | 1989 | 98.1M | 2011 | 285M |
| 1968 | 16.6M | 1990 | 112M | 2012 | 321M |
| 1969 | 17.9M | 1991 | 198M | 2013 | 371M |
| 1970 | 19.3M | 1992 | 170M | 2014 | 398M |
| 1971 | 20.8M | 1993 | 158M | 2015 | 387M |
| 1972 | 28.9M | 1994 | 161M | 2016 | 343M |
| 1973 | 30.9M | 1995 | 207M | 2017 | 348M |
| 1974 | 31.4M | 1996 | 202M | 2018 | 387M |
| 1975 | 43.5M | 1997 | 168M | 2019 | 369M |
| 1976 | 46.8M | 1998 | 139M | 2020 | 364M |
| 1977 | 55.5M | 1999 | 117M | 2021 | 367M |
| 1978 | 69.5M | 2000 | 110M | 2022 | 365M |
| 1979 | 63.5M | 2001 | 91.3M | 2023 | 398M |
| 1980 | 89.3M | 2002 | 69.9M | 2024 | 414M |
| 1981 | 132M | 2003 | 63.5M | 2025 | 421M |
Show data table
| 1960 | 2.5% | 1982 | 3.8% | 2004 | 0.9% |
| 1961 | 2.3% | 1983 | 3.6% | 2005 | 0.7% |
| 1962 | 2.3% | 1984 | 3.5% | 2006 | 0.8% |
| 1963 | 2.4% | 1985 | 3.8% | 2007 | 0.7% |
| 1964 | 2.4% | 1986 | 3.8% | 2008 | 0.7% |
| 1965 | 2.6% | 1987 | 2.8% | 2009 | 0.8% |
| 1966 | 2.9% | 1988 | 3.2% | 2010 | 0.8% |
| 1967 | 3% | 1989 | 2.4% | 2011 | 0.8% |
| 1968 | 3.2% | 1990 | 2.1% | 2012 | 1% |
| 1969 | 3.2% | 1991 | 2.8% | 2013 | 1% |
| 1970 | 3.3% | 1992 | 2.4% | 2014 | 1% |
| 1971 | 3.2% | 1993 | 2.2% | 2015 | 1.1% |
| 1972 | 3.8% | 1994 | 2% | 2016 | 1% |
| 1973 | 3.4% | 1995 | 2.3% | 2017 | 0.9% |
| 1974 | 2.6% | 1996 | 2.1% | 2018 | 1% |
| 1975 | 3.1% | 1997 | 1.7% | 2019 | 1% |
| 1976 | 3% | 1998 | 1.5% | 2020 | 1% |
| 1977 | 2.9% | 1999 | 1.4% | 2021 | 0.9% |
| 1978 | 3% | 2000 | 1.2% | 2022 | 0.9% |
| 1979 | 2% | 2001 | 1.1% | 2023 | 0.9% |
| 1980 | 2.2% | 2002 | 1% | 2024 | 0.9% |
| 1981 | 2.5% | 2003 | 0.8% | 2025 | 0.9% |