表を表示
| 1980 | 479 | 1996 | 839 | 2012 | 1,378 |
| 1981 | 550 | 1997 | 808 | 2013 | 1,391 |
| 1982 | 584 | 1998 | 785 | 2014 | 1,424 |
| 1983 | 530 | 1999 | 725 | 2015 | 1,535 |
| 1984 | 560 | 2000 | 733 | 2016 | 1,567 |
| 1985 | 545 | 2001 | 697 | 2017 | 1,653 |
| 1986 | 544 | 2002 | 690 | 2018 | 1,698 |
| 1987 | 553 | 2003 | 772 | 2019 | 1,501 |
| 1988 | 621 | 2004 | 885 | 2020 | 1,377 |
| 1989 | 631 | 2005 | 949 | 2021 | 1,566 |
| 1990 | 616 | 2006 | 1,032 | 2022 | 1,651 |
| 1991 | 684 | 2007 | 1,146 | 2023 | 1,454 |
| 1992 | 713 | 2008 | 1,228 | 2024 | 1,578 |
| 1993 | 736 | 2009 | 1,109 | 2025 | 1,696 |
| 1994 | 723 | 2010 | 1,138 | | |
| 1995 | 824 | 2011 | 1,302 | | |
表を表示
| 1980 | 4,743 | 1996 | 2.82万 | 2012 | 12.3万 |
| 1981 | 5,449 | 1997 | 3.15万 | 2013 | 13.5万 |
| 1982 | 6,167 | 1998 | 3.39万 | 2014 | 14.7万 |
| 1983 | 6,739 | 1999 | 3.63万 | 2015 | 15.6万 |
| 1984 | 7,553 | 2000 | 3.8万 | 2016 | 16.3万 |
| 1985 | 8,269 | 2001 | 4.07万 | 2017 | 17.3万 |
| 1986 | 8,773 | 2002 | 4.24万 | 2018 | 18.7万 |
| 1987 | 9,509 | 2003 | 4.51万 | 2019 | 20.5万 |
| 1988 | 1.09万 | 2004 | 5.1万 | 2020 | 21.8万 |
| 1989 | 1.21万 | 2005 | 5.63万 | 2021 | 25.1万 |
| 1990 | 1.32万 | 2006 | 6.18万 | 2022 | 29.4万 |
| 1991 | 1.53万 | 2007 | 6.95万 | 2023 | 36.1万 |
| 1992 | 1.77万 | 2008 | 7.68万 | 2024 | 44.7万 |
| 1993 | 1.91万 | 2009 | 8.72万 | 2025 | 47.4万 |
| 1994 | 2.18万 | 2010 | 9.55万 | 2026 | 51.9万 |
| 1995 | 2.54万 | 2011 | 11.1万 | | |
表を表示
| 1980 | 7.04万 | 1996 | 11.3万 | 2012 | 14.5万 |
| 1981 | 7.27万 | 1997 | 11.2万 | 2013 | 14.7万 |
| 1982 | 7.59万 | 1998 | 11.3万 | 2014 | 14.8万 |
| 1983 | 7.88万 | 1999 | 11.5万 | 2015 | 15万 |
| 1984 | 7.97万 | 2000 | 11.7万 | 2016 | 15.2万 |
| 1985 | 8.43万 | 2001 | 11.8万 | 2017 | 15.6万 |
| 1986 | 8.73万 | 2002 | 11.8万 | 2018 | 16.1万 |
| 1987 | 9万 | 2003 | 12.1万 | 2019 | 16.3万 |
| 1988 | 9.34万 | 2004 | 12.7万 | 2020 | 15.8万 |
| 1989 | 9.54万 | 2005 | 13.4万 | 2021 | 16.4万 |
| 1990 | 9.7万 | 2006 | 13.9万 | 2022 | 17.1万 |
| 1991 | 9.97万 | 2007 | 14.2万 | 2023 | 16.7万 |
| 1992 | 10.5万 | 2008 | 14.5万 | 2024 | 16.9万 |
| 1993 | 10.4万 | 2009 | 14.3万 | 2025 | 17.1万 |
| 1994 | 10.6万 | 2010 | 14.3万 | 2026 | 17.3万 |
| 1995 | 10.8万 | 2011 | 14.4万 | | |