表を表示
| 1980 | 904 | 1996 | 741 | 2012 | 693 |
| 1981 | 815 | 1997 | 734 | 2013 | 654 |
| 1982 | 741 | 1998 | 733 | 2014 | 568 |
| 1983 | 717 | 1999 | 732 | 2015 | 609 |
| 1984 | 496 | 2000 | 694 | 2016 | 644 |
| 1985 | 579 | 2001 | 671 | 2017 | 640 |
| 1986 | 434 | 2002 | 578 | 2018 | 693 |
| 1987 | 559 | 2003 | 534 | 2019 | 734 |
| 1988 | 623 | 2004 | 593 | 2020 | 717 |
| 1989 | 629 | 2005 | 616 | 2021 | 791 |
| 1990 | 709 | 2006 | 615 | 2022 | 805 |
| 1991 | 719 | 2007 | 725 | 2023 | 858 |
| 1992 | 745 | 2008 | 859 | 2024 | 862 |
| 1993 | 754 | 2009 | 775 | 2025 | 904 |
| 1994 | 721 | 2010 | 801 | 2026 | 953 |
| 1995 | 731 | 2011 | 711 | | |
表を表示
| 1980 | 1,555 | 1996 | 7,258 | 2012 | 2.22万 |
| 1981 | 1,605 | 1997 | 7,489 | 2013 | 2.35万 |
| 1982 | 1,696 | 1998 | 7,803 | 2014 | 2.37万 |
| 1983 | 1,893 | 1999 | 8,339 | 2015 | 2.63万 |
| 1984 | 1,855 | 2000 | 8,873 | 2016 | 2.82万 |
| 1985 | 2,255 | 2001 | 1.05万 | 2017 | 2.99万 |
| 1986 | 3,007 | 2002 | 1.15万 | 2018 | 3.35万 |
| 1987 | 3,956 | 2003 | 1.52万 | 2019 | 3.69万 |
| 1988 | 4,183 | 2004 | 1.78万 | 2020 | 3.7万 |
| 1989 | 4,772 | 2005 | 1.76万 | 2021 | 4.08万 |
| 1990 | 5,587 | 2006 | 1.72万 | 2022 | 4.57万 |
| 1991 | 6,277 | 2007 | 1.8万 | 2023 | 5.36万 |
| 1992 | 6,625 | 2008 | 1.91万 | 2024 | 5.84万 |
| 1993 | 6,868 | 2009 | 2.06万 | 2025 | 6.49万 |
| 1994 | 6,910 | 2010 | 2.24万 | 2026 | 7.02万 |
| 1995 | 6,977 | 2011 | 2.09万 | | |
表を表示
| 1980 | 2.8万 | 1996 | 2.28万 | 2012 | 2.35万 |
| 1981 | 2.39万 | 1997 | 2.21万 | 2013 | 2.35万 |
| 1982 | 2.78万 | 1998 | 2.29万 | 2014 | 2.25万 |
| 1983 | 3.03万 | 1999 | 2.37万 | 2015 | 2.28万 |
| 1984 | 2.69万 | 2000 | 2.43万 | 2016 | 2.27万 |
| 1985 | 2.68万 | 2001 | 2.5万 | 2017 | 2.32万 |
| 1986 | 2.64万 | 2002 | 2.36万 | 2018 | 2.42万 |
| 1987 | 2.6万 | 2003 | 2.45万 | 2019 | 2.51万 |
| 1988 | 2.54万 | 2004 | 2.55万 | 2020 | 2.46万 |
| 1989 | 2.55万 | 2005 | 2.43万 | 2021 | 2.53万 |
| 1990 | 2.59万 | 2006 | 2.34万 | 2022 | 2.6万 |
| 1991 | 2.54万 | 2007 | 2.35万 | 2023 | 2.69万 |
| 1992 | 2.48万 | 2008 | 2.42万 | 2024 | 2.77万 |
| 1993 | 2.44万 | 2009 | 2.51万 | 2025 | 2.86万 |
| 1994 | 2.27万 | 2010 | 2.58万 | 2026 | 2.93万 |
| 1995 | 2.28万 | 2011 | 2.3万 | | |