表を表示
| 1980 | 5,358 | 1996 | 7,869 | 2012 | 2.41万 |
| 1981 | 6,020 | 1997 | 7,984 | 2013 | 2.33万 |
| 1982 | 6,317 | 1998 | 6,921 | 2014 | 2.32万 |
| 1983 | 6,148 | 1999 | 7,555 | 2015 | 1.89万 |
| 1984 | 6,324 | 2000 | 9,266 | 2016 | 1.7万 |
| 1985 | 7,026 | 2001 | 9,088 | 2017 | 1.77万 |
| 1986 | 5,214 | 2002 | 9,285 | 2018 | 1.99万 |
| 1987 | 5,145 | 2003 | 9,793 | 2019 | 1.91万 |
| 1988 | 5,001 | 2004 | 1.1万 | 2020 | 1.71万 |
| 1989 | 5,279 | 2005 | 1.36万 | 2021 | 1.95万 |
| 1990 | 7,268 | 2006 | 1.59万 | 2022 | 2.23万 |
| 1991 | 6,806 | 2007 | 1.77万 | 2023 | 2.06万 |
| 1992 | 7,213 | 2008 | 2.51万 | 2024 | 2.05万 |
| 1993 | 6,995 | 2009 | 1.92万 | 2025 | 2万 |
| 1994 | 7,011 | 2010 | 2.17万 | 2026 | 2.16万 |
| 1995 | 7,285 | 2011 | 2.35万 | | |
表を表示
| 1980 | 1,851 | 1996 | 3,026 | 2012 | 9,278 |
| 1981 | 2,079 | 1997 | 3,070 | 2013 | 8,970 |
| 1982 | 2,182 | 1998 | 2,661 | 2014 | 8,928 |
| 1983 | 2,124 | 1999 | 2,905 | 2015 | 7,277 |
| 1984 | 2,184 | 2000 | 3,563 | 2016 | 6,544 |
| 1985 | 2,427 | 2001 | 3,494 | 2017 | 6,818 |
| 1986 | 1,992 | 2002 | 3,570 | 2018 | 7,646 |
| 1987 | 1,978 | 2003 | 3,765 | 2019 | 7,332 |
| 1988 | 1,923 | 2004 | 4,246 | 2020 | 6,566 |
| 1989 | 2,030 | 2005 | 5,215 | 2021 | 7,482 |
| 1990 | 2,795 | 2006 | 6,131 | 2022 | 8,561 |
| 1991 | 2,617 | 2007 | 6,812 | 2023 | 7,902 |
| 1992 | 2,773 | 2008 | 9,636 | 2024 | 7,894 |
| 1993 | 2,690 | 2009 | 7,396 | 2025 | 7,688 |
| 1994 | 2,696 | 2010 | 8,335 | 2026 | 8,322 |
| 1995 | 2,801 | 2011 | 9,043 | | |
表を表示
| 1980 | 3,876 | 1996 | 7,353 | 2012 | 8,130 |
| 1981 | 4,189 | 1997 | 7,641 | 2013 | 8,039 |
| 1982 | 4,671 | 1998 | 7,697 | 2014 | 7,863 |
| 1983 | 5,029 | 1999 | 7,581 | 2015 | 7,927 |
| 1984 | 5,346 | 2000 | 7,911 | 2016 | 7,846 |
| 1985 | 6,123 | 2001 | 8,137 | 2017 | 7,618 |
| 1986 | 5,863 | 2002 | 7,941 | 2018 | 7,646 |
| 1987 | 5,298 | 2003 | 7,638 | 2019 | 7,533 |
| 1988 | 5,576 | 2004 | 7,656 | 2020 | 7,561 |
| 1989 | 5,423 | 2005 | 7,725 | 2021 | 7,683 |
| 1990 | 6,491 | 2006 | 7,928 | 2022 | 7,546 |
| 1991 | 6,641 | 2007 | 8,151 | 2023 | 7,309 |
| 1992 | 6,955 | 2008 | 8,692 | 2024 | 7,353 |
| 1993 | 7,136 | 2009 | 8,901 | 2025 | 7,404 |
| 1994 | 7,182 | 2010 | 8,770 | 2026 | 7,509 |
| 1995 | 7,322 | 2011 | 8,210 | | |