表を表示
| 1980 | 448 | 1996 | 626 | 2012 | 1,316 |
| 1981 | 484 | 1997 | 707 | 2013 | 1,409 |
| 1982 | 495 | 1998 | 774 | 2014 | 1,409 |
| 1983 | 522 | 1999 | 848 | 2015 | 1,359 |
| 1984 | 568 | 2000 | 794 | 2016 | 1,263 |
| 1985 | 619 | 2001 | 721 | 2017 | 1,337 |
| 1986 | 676 | 2002 | 684 | 2018 | 1,442 |
| 1987 | 327 | 2003 | 541 | 2019 | 1,277 |
| 1988 | 213 | 2004 | 660 | 2020 | 1,235 |
| 1989 | 193 | 2005 | 773 | 2021 | 1,765 |
| 1990 | 240 | 2006 | 795 | 2022 | 1,643 |
| 1991 | 212 | 2007 | 992 | 2023 | 1,603 |
| 1992 | 125 | 2008 | 1,074 | 2024 | 2,041 |
| 1993 | 147 | 2009 | 1,169 | 2025 | 2,557 |
| 1994 | 397 | 2010 | 1,175 | 2026 | 3,079 |
| 1995 | 618 | 2011 | 1,269 | | |
表を表示
| 1980 | 2,239 | 1996 | 1.01万 | 2012 | 5.47万 |
| 1981 | 2,421 | 1997 | 1.14万 | 2013 | 6.07万 |
| 1982 | 2,474 | 1998 | 1.31万 | 2014 | 6.29万 |
| 1983 | 2,608 | 1999 | 1.42万 | 2015 | 6.6万 |
| 1984 | 2,839 | 2000 | 1.56万 | 2016 | 7.62万 |
| 1985 | 3,097 | 2001 | 1.73万 | 2017 | 8.78万 |
| 1986 | 3,380 | 2002 | 1.85万 | 2018 | 9.43万 |
| 1987 | 1,636 | 2003 | 2.17万 | 2019 | 10.7万 |
| 1988 | 1,063 | 2004 | 2.62万 | 2020 | 12.3万 |
| 1989 | 963 | 2005 | 3.01万 | 2021 | 14.3万 |
| 1990 | 1,201 | 2006 | 3.3万 | 2022 | 18万 |
| 1991 | 1,271 | 2007 | 3.71万 | 2023 | 22.9万 |
| 1992 | 1,217 | 2008 | 4.11万 | 2024 | 26.9万 |
| 1993 | 1,804 | 2009 | 4.75万 | 2025 | 33.4万 |
| 1994 | 5,864 | 2010 | 4.74万 | 2026 | 40.4万 |
| 1995 | 8,957 | 2011 | 5.11万 | | |
表を表示
| 1980 | 7.84万 | 1996 | 5.37万 | 2012 | 5.47万 |
| 1981 | 7.78万 | 1997 | 5.41万 | 2013 | 5.62万 |
| 1982 | 7.43万 | 1998 | 5.43万 | 2014 | 5.63万 |
| 1983 | 7.19万 | 1999 | 5.48万 | 2015 | 5.69万 |
| 1984 | 7.08万 | 2000 | 5.43万 | 2016 | 5.7万 |
| 1985 | 7万 | 2001 | 5.32万 | 2017 | 5.76万 |
| 1986 | 6.9万 | 2002 | 5.29万 | 2018 | 5.77万 |
| 1987 | 6.75万 | 2003 | 5.39万 | 2019 | 5.59万 |
| 1988 | 6.7万 | 2004 | 5.24万 | 2020 | 5.33万 |
| 1989 | 6.5万 | 2005 | 5.31万 | 2021 | 5.16万 |
| 1990 | 6.34万 | 2006 | 5.32万 | 2022 | 5.01万 |
| 1991 | 6.3万 | 2007 | 5.48万 | 2023 | 4.85万 |
| 1992 | 6.04万 | 2008 | 5.53万 | 2024 | 4.58万 |
| 1993 | 5.63万 | 2009 | 5.76万 | 2025 | 4.4万 |
| 1994 | 4.87万 | 2010 | 5.35万 | 2026 | 4.27万 |
| 1995 | 5.25万 | 2011 | 5.53万 | | |