表を表示
| 1970 | 41.3万 | 1989 | 2,908万 | 2008 | 5,359万 |
| 1971 | 53.6万 | 1990 | 3,054万 | 2009 | 5,129万 |
| 1972 | 78.8万 | 1991 | 3,248万 | 2010 | 5,041万 |
| 1973 | 93.2万 | 1992 | 3,054万 | 2011 | 6,079万 |
| 1974 | 135万 | 1993 | 3,204万 | 2012 | 5,922万 |
| 1975 | 206万 | 1994 | 3,367万 | 2013 | 5,811万 |
| 1976 | 275万 | 1995 | 3,470万 | 2014 | 7,479万 |
| 1977 | 365万 | 1996 | 3,285万 | 2015 | 4,262万 |
| 1978 | 724万 | 1997 | 3,096万 | 2016 | 5,441万 |
| 1979 | 957万 | 1998 | 2,260万 | 2017 | 7,528万 |
| 1980 | 1,037万 | 1999 | 2,381万 | 2018 | 8,138万 |
| 1981 | 1,136万 | 2000 | 3,204万 | 2019 | 7,902万 |
| 1982 | 1,494万 | 2001 | 3,281万 | 2020 | 7,118万 |
| 1983 | 1,510万 | 2002 | 3,091万 | 2021 | 6,873万 |
| 1984 | 1,560万 | 2003 | 3,730万 | 2022 | 6,777万 |
| 1985 | 1,401万 | 2004 | 4,680万 | 2023 | 7,305万 |
| 1986 | 1,459万 | 2005 | 4,311万 | 2024 | 7,745万 |
| 1987 | 2,513万 | 2006 | 5,407万 | 2025 | 8,116万 |
| 1988 | 2,467万 | 2007 | 7,558万 | | |
表を表示
| 1970 | 0.2% | 1989 | 2.3% | 2008 | 1.5% |
| 1971 | 0.2% | 1990 | 2.1% | 2009 | 1.8% |
| 1972 | 0.2% | 1991 | 2.2% | 2010 | 1.6% |
| 1973 | 0.2% | 1992 | 1.8% | 2011 | 1.6% |
| 1974 | 0.2% | 1993 | 1.8% | 2012 | 1.5% |
| 1975 | 0.3% | 1994 | 1.7% | 2013 | 1.4% |
| 1976 | 0.4% | 1995 | 1.6% | 2014 | 1.5% |
| 1977 | 0.5% | 1996 | 1.4% | 2015 | 0.9% |
| 1978 | 0.9% | 1997 | 1.4% | 2016 | 1.1% |
| 1979 | 0.9% | 1998 | 1.3% | 2017 | 1.4% |
| 1980 | 0.9% | 1999 | 1.1% | 2018 | 1.5% |
| 1981 | 0.9% | 2000 | 1.8% | 2019 | 1.4% |
| 1982 | 1.2% | 2001 | 1.8% | 2020 | 1.6% |
| 1983 | 1.2% | 2002 | 1.5% | 2021 | 1.6% |
| 1984 | 1.2% | 2003 | 1.5% | 2022 | 1.4% |
| 1985 | 1.1% | 2004 | 1.6% | 2023 | 1.3% |
| 1986 | 1% | 2005 | 1.3% | 2024 | 1.3% |
| 1987 | 2% | 2006 | 1.6% | 2025 | 1.3% |
| 1988 | 2.1% | 2007 | 2.2% | | |