表を表示
| 1980 | 2,150 | 1996 | 4,130 | 2012 | 1.17万 |
| 1981 | 2,129 | 1997 | 4,254 | 2013 | 1.26万 |
| 1982 | 1,891 | 1998 | 4,446 | 2014 | 1.22万 |
| 1983 | 1,766 | 1999 | 4,013 | 2015 | 1.11万 |
| 1984 | 1,681 | 2000 | 4,257 | 2016 | 1.1万 |
| 1985 | 1,849 | 2001 | 3,115 | 2017 | 1.08万 |
| 1986 | 1,998 | 2002 | 3,616 | 2018 | 9,917 |
| 1987 | 2,278 | 2003 | 4,751 | 2019 | 9,388 |
| 1988 | 2,351 | 2004 | 6,040 | 2020 | 8,759 |
| 1989 | 2,728 | 2005 | 7,405 | 2021 | 9,836 |
| 1990 | 3,766 | 2006 | 8,008 | 2022 | 1.09万 |
| 1991 | 3,719 | 2007 | 9,791 | 2023 | 1.35万 |
| 1992 | 3,847 | 2008 | 1.11万 | 2024 | 1.59万 |
| 1993 | 4,294 | 2009 | 9,108 | 2025 | 1.86万 |
| 1994 | 3,049 | 2010 | 1.07万 | 2026 | 1.9万 |
| 1995 | 3,910 | 2011 | 1.14万 | | |
表を表示
| 1980 | 0 | 1996 | 336 | 2012 | 2.12万 |
| 1981 | 0 | 1997 | 645 | 2013 | 2.41万 |
| 1982 | 0 | 1998 | 1,152 | 2014 | 2.67万 |
| 1983 | 0 | 1999 | 1,696 | 2015 | 3.01万 |
| 1984 | 1 | 2000 | 2,673 | 2016 | 3.32万 |
| 1985 | 1 | 2001 | 3,803 | 2017 | 3.92万 |
| 1986 | 1 | 2002 | 5,498 | 2018 | 4.68万 |
| 1987 | 2 | 2003 | 7,087 | 2019 | 5.33万 |
| 1988 | 3 | 2004 | 8,649 | 2020 | 6.17万 |
| 1989 | 6 | 2005 | 9,980 | 2021 | 8.83万 |
| 1990 | 10 | 2006 | 1.15万 | 2022 | 18万 |
| 1991 | 15 | 2007 | 1.27万 | 2023 | 31.8万 |
| 1992 | 26 | 2008 | 1.42万 | 2024 | 52.1万 |
| 1993 | 47 | 2009 | 1.41万 | 2025 | 73.4万 |
| 1994 | 91 | 2010 | 1.61万 | 2026 | 94.3万 |
| 1995 | 179 | 2011 | 1.91万 | | |
表を表示
| 1980 | 6,844 | 1996 | 1.05万 | 2012 | 1.7万 |
| 1981 | 6,982 | 1997 | 1.12万 | 2013 | 1.82万 |
| 1982 | 7,059 | 1998 | 1.13万 | 2014 | 1.88万 |
| 1983 | 7,230 | 1999 | 1.08万 | 2015 | 1.96万 |
| 1984 | 7,556 | 2000 | 1.14万 | 2016 | 2万 |
| 1985 | 7,714 | 2001 | 1.07万 | 2017 | 2.13万 |
| 1986 | 8,086 | 2002 | 1.12万 | 2018 | 2.18万 |
| 1987 | 8,728 | 2003 | 1.17万 | 2019 | 2.17万 |
| 1988 | 8,750 | 2004 | 1.27万 | 2020 | 2.19万 |
| 1989 | 8,616 | 2005 | 1.37万 | 2021 | 2.43万 |
| 1990 | 9,252 | 2006 | 1.45万 | 2022 | 2.53万 |
| 1991 | 9,181 | 2007 | 1.5万 | 2023 | 2.65万 |
| 1992 | 9,571 | 2008 | 1.5万 | 2024 | 2.73万 |
| 1993 | 1.02万 | 2009 | 1.41万 | 2025 | 2.82万 |
| 1994 | 9,469 | 2010 | 1.5万 | 2026 | 2.9万 |
| 1995 | 9,994 | 2011 | 1.64万 | | |