表を表示
| 1980 | 1,166 | 1996 | 1,672 | 2012 | 3,246 |
| 1981 | 1,058 | 1997 | 1,701 | 2013 | 3,347 |
| 1982 | 1,030 | 1998 | 1,594 | 2014 | 3,356 |
| 1983 | 1,031 | 1999 | 1,588 | 2015 | 3,244 |
| 1984 | 1,229 | 2000 | 1,573 | 2016 | 3,310 |
| 1985 | 1,080 | 2001 | 1,457 | 2017 | 3,584 |
| 1986 | 1,016 | 2002 | 1,453 | 2018 | 3,506 |
| 1987 | 1,094 | 2003 | 1,706 | 2019 | 3,613 |
| 1988 | 1,208 | 2004 | 1,928 | 2020 | 3,779 |
| 1989 | 1,167 | 2005 | 2,018 | 2021 | 3,473 |
| 1990 | 1,262 | 2006 | 2,196 | 2022 | 3,618 |
| 1991 | 1,475 | 2007 | 2,554 | 2023 | 3,751 |
| 1992 | 1,502 | 2008 | 2,810 | 2024 | 3,871 |
| 1993 | 1,413 | 2009 | 2,787 | 2025 | 3,936 |
| 1994 | 1,574 | 2010 | 3,008 | 2026 | 4,082 |
| 1995 | 1,637 | 2011 | 3,327 | | |
表を表示
| 1980 | 7.96万 | 1996 | 18.7万 | 2012 | 30.5万 |
| 1981 | 9.29万 | 1997 | 19.7万 | 2013 | 31.8万 |
| 1982 | 9.91万 | 1998 | 20.3万 | 2014 | 32.5万 |
| 1983 | 10.2万 | 1999 | 20.5万 | 2015 | 34.7万 |
| 1984 | 12.2万 | 2000 | 21.7万 | 2016 | 36.2万 |
| 1985 | 11.5万 | 2001 | 21.2万 | 2017 | 38.6万 |
| 1986 | 10.8万 | 2002 | 20.2万 | 2018 | 40万 |
| 1987 | 12万 | 2003 | 20.8万 | 2019 | 41.8万 |
| 1988 | 12.6万 | 2004 | 21.6万 | 2020 | 39.3万 |
| 1989 | 13.5万 | 2005 | 22.3万 | 2021 | 39.2万 |
| 1990 | 14.8万 | 2006 | 24.6万 | 2022 | 42.5万 |
| 1991 | 16.5万 | 2007 | 26.1万 | 2023 | 44.3万 |
| 1992 | 17万 | 2008 | 28.9万 | 2024 | 47.3万 |
| 1993 | 17.2万 | 2009 | 29.9万 | 2025 | 48.7万 |
| 1994 | 18.3万 | 2010 | 30万 | 2026 | 50.5万 |
| 1995 | 18.3万 | 2011 | 31.1万 | | |
表を表示
| 1980 | 41.4万 | 1996 | 43.4万 | 2012 | 45.2万 |
| 1981 | 41.8万 | 1997 | 44.4万 | 2013 | 45.7万 |
| 1982 | 41.2万 | 1998 | 43.8万 | 2014 | 46.1万 |
| 1983 | 41.4万 | 1999 | 42.8万 | 2015 | 46.6万 |
| 1984 | 44万 | 2000 | 44.4万 | 2016 | 47.6万 |
| 1985 | 42.8万 | 2001 | 41.9万 | 2017 | 48.5万 |
| 1986 | 41.5万 | 2002 | 38.8万 | 2018 | 48.6万 |
| 1987 | 39.7万 | 2003 | 39.6万 | 2019 | 49.1万 |
| 1988 | 38万 | 2004 | 40.2万 | 2020 | 45.2万 |
| 1989 | 38.3万 | 2005 | 41.4万 | 2021 | 43.7万 |
| 1990 | 42.2万 | 2006 | 43.9万 | 2022 | 45.1万 |
| 1991 | 42.7万 | 2007 | 44.1万 | 2023 | 46.7万 |
| 1992 | 42.9万 | 2008 | 45.6万 | 2024 | 47.3万 |
| 1993 | 42.4万 | 2009 | 46万 | 2025 | 47.7万 |
| 1994 | 44.2万 | 2010 | 45.4万 | 2026 | 48.2万 |
| 1995 | 43.5万 | 2011 | 45.8万 | | |