表を表示
| 1980 | 1,897 | 1996 | 3,280 | 2012 | 1.1万 |
| 1981 | 2,096 | 1997 | 3,515 | 2013 | 1.22万 |
| 1982 | 2,262 | 1998 | 3,773 | 2014 | 1.31万 |
| 1983 | 2,269 | 1999 | 3,913 | 2015 | 1.4万 |
| 1984 | 2,315 | 2000 | 3,935 | 2016 | 1.48万 |
| 1985 | 2,395 | 2001 | 3,950 | 2017 | 1.57万 |
| 1986 | 2,435 | 2002 | 4,045 | 2018 | 1.62万 |
| 1987 | 2,394 | 2003 | 4,216 | 2019 | 1.65万 |
| 1988 | 2,026 | 2004 | 4,591 | 2020 | 1.33万 |
| 1989 | 1,989 | 2005 | 4,961 | 2021 | 1.55万 |
| 1990 | 2,119 | 2006 | 5,467 | 2022 | 1.74万 |
| 1991 | 2,281 | 2007 | 6,248 | 2023 | 1.88万 |
| 1992 | 2,538 | 2008 | 7,270 | 2024 | 1.92万 |
| 1993 | 2,715 | 2009 | 7,720 | 2025 | 1.98万 |
| 1994 | 2,835 | 2010 | 8,256 | 2026 | 2.06万 |
| 1995 | 2,840 | 2011 | 9,584 | | |
表を表示
| 1980 | 1,897 | 1996 | 3,280 | 2012 | 1.1万 |
| 1981 | 2,096 | 1997 | 3,515 | 2013 | 1.22万 |
| 1982 | 2,262 | 1998 | 3,773 | 2014 | 1.31万 |
| 1983 | 2,269 | 1999 | 3,913 | 2015 | 1.4万 |
| 1984 | 2,315 | 2000 | 3,935 | 2016 | 1.48万 |
| 1985 | 2,395 | 2001 | 3,950 | 2017 | 1.57万 |
| 1986 | 2,435 | 2002 | 4,045 | 2018 | 1.62万 |
| 1987 | 2,394 | 2003 | 4,216 | 2019 | 1.65万 |
| 1988 | 2,026 | 2004 | 4,591 | 2020 | 1.33万 |
| 1989 | 1,989 | 2005 | 4,961 | 2021 | 1.55万 |
| 1990 | 2,119 | 2006 | 5,467 | 2022 | 1.74万 |
| 1991 | 2,281 | 2007 | 6,248 | 2023 | 1.88万 |
| 1992 | 2,538 | 2008 | 7,270 | 2024 | 1.92万 |
| 1993 | 2,715 | 2009 | 7,720 | 2025 | 1.98万 |
| 1994 | 2,835 | 2010 | 8,256 | 2026 | 2.06万 |
| 1995 | 2,840 | 2011 | 9,584 | | |
表を表示
| 1980 | 5,320 | 1996 | 6,041 | 2012 | 1.32万 |
| 1981 | 5,671 | 1997 | 6,375 | 2013 | 1.38万 |
| 1982 | 5,835 | 1998 | 6,771 | 2014 | 1.42万 |
| 1983 | 5,446 | 1999 | 6,981 | 2015 | 1.47万 |
| 1984 | 5,467 | 2000 | 7,130 | 2016 | 1.52万 |
| 1985 | 5,611 | 2001 | 7,055 | 2017 | 1.58万 |
| 1986 | 5,685 | 2002 | 7,090 | 2018 | 1.62万 |
| 1987 | 5,463 | 2003 | 7,308 | 2019 | 1.65万 |
| 1988 | 4,633 | 2004 | 7,756 | 2020 | 1.33万 |
| 1989 | 4,608 | 2005 | 8,242 | 2021 | 1.53万 |
| 1990 | 4,880 | 2006 | 8,889 | 2022 | 1.68万 |
| 1991 | 5,227 | 2007 | 9,877 | 2023 | 1.78万 |
| 1992 | 5,537 | 2008 | 1.07万 | 2024 | 1.8万 |
| 1993 | 5,718 | 2009 | 1.07万 | 2025 | 1.86万 |
| 1994 | 5,761 | 2010 | 1.11万 | 2026 | 1.9万 |
| 1995 | 5,743 | 2011 | 1.23万 | | |