表を表示
| 1980 | 460 | 1996 | 512 | 2012 | 506 |
| 1981 | 448 | 1997 | 583 | 2013 | 447 |
| 1982 | 416 | 1998 | 373 | 2014 | 484 |
| 1983 | 420 | 1999 | 368 | 2015 | 498 |
| 1984 | 400 | 2000 | 353 | 2016 | 415 |
| 1985 | 359 | 2001 | 338 | 2017 | 467 |
| 1986 | 354 | 2002 | 384 | 2018 | 501 |
| 1987 | 328 | 2003 | 345 | 2019 | 544 |
| 1988 | 355 | 2004 | 366 | 2020 | 568 |
| 1989 | 384 | 2005 | 377 | 2021 | 581 |
| 1990 | 421 | 2006 | 401 | 2022 | 567 |
| 1991 | 524 | 2007 | 432 | 2023 | 591 |
| 1992 | 422 | 2008 | 505 | 2024 | 504 |
| 1993 | 483 | 2009 | 571 | 2025 | 625 |
| 1994 | 278 | 2010 | 623 | 2026 | 733 |
| 1995 | 320 | 2011 | 695 | | |
表を表示
| 1980 | 374 | 1996 | 7,839 | 2012 | 12.7万 |
| 1981 | 401 | 1997 | 9,592 | 2013 | 16.5万 |
| 1982 | 439 | 1998 | 1.16万 | 2014 | 20.6万 |
| 1983 | 493 | 1999 | 1.62万 | 2015 | 24.9万 |
| 1984 | 566 | 2000 | 2.1万 | 2016 | 29.8万 |
| 1985 | 617 | 2001 | 2.44万 | 2017 | 34.1万 |
| 1986 | 660 | 2002 | 2.95万 | 2018 | 36.7万 |
| 1987 | 724 | 2003 | 3.36万 | 2019 | 40.5万 |
| 1988 | 909 | 2004 | 3.98万 | 2020 | 42.2万 |
| 1989 | 1,061 | 2005 | 4.46万 | 2021 | 46.5万 |
| 1990 | 1,148 | 2006 | 5.45万 | 2022 | 53.4万 |
| 1991 | 1,468 | 2007 | 6.05万 | 2023 | 68.1万 |
| 1992 | 1,522 | 2008 | 7.09万 | 2024 | 86.9万 |
| 1993 | 2,128 | 2009 | 8.06万 | 2025 | 108万 |
| 1994 | 2,430 | 2010 | 9.38万 | 2026 | 131万 |
| 1995 | 4,889 | 2011 | 10.9万 | | |
表を表示
| 1980 | 27.4万 | 1996 | 25.6万 | 2012 | 32.3万 |
| 1981 | 25.3万 | 1997 | 26.6万 | 2013 | 33万 |
| 1982 | 25.3万 | 1998 | 26.1万 | 2014 | 33.9万 |
| 1983 | 25.5万 | 1999 | 26.3万 | 2015 | 33.9万 |
| 1984 | 26万 | 2000 | 25.9万 | 2016 | 33.7万 |
| 1985 | 26万 | 2001 | 24.3万 | 2017 | 34.1万 |
| 1986 | 24.5万 | 2002 | 23.8万 | 2018 | 34.6万 |
| 1987 | 23.5万 | 2003 | 24.6万 | 2019 | 35.4万 |
| 1988 | 22.8万 | 2004 | 25.4万 | 2020 | 34.8万 |
| 1989 | 21.9万 | 2005 | 25.7万 | 2021 | 35.4万 |
| 1990 | 22.3万 | 2006 | 26.2万 | 2022 | 34.7万 |
| 1991 | 23.7万 | 2007 | 27.9万 | 2023 | 34.4万 |
| 1992 | 21.7万 | 2008 | 29.2万 | 2024 | 34万 |
| 1993 | 23.7万 | 2009 | 30.8万 | 2025 | 33.7万 |
| 1994 | 21.1万 | 2010 | 32万 | 2026 | 33.5万 |
| 1995 | 23.7万 | 2011 | 32.6万 | | |