表を表示
| 1980 | 4,286 | 1996 | 1,495 | 2012 | 7,457 |
| 1981 | 4,609 | 1997 | 1,386 | 2013 | 7,709 |
| 1982 | 4,794 | 1998 | 1,854 | 2014 | 7,938 |
| 1983 | 4,914 | 1999 | 1,693 | 2015 | 7,104 |
| 1984 | 5,211 | 2000 | 1,630 | 2016 | 7,596 |
| 1985 | 4,458 | 2001 | 1,798 | 2017 | 8,410 |
| 1986 | 3,947 | 2002 | 2,098 | 2018 | 9,452 |
| 1987 | 4,581 | 2003 | 2,715 | 2019 | 9,856 |
| 1988 | 7,507 | 2004 | 3,375 | 2020 | 1.02万 |
| 1989 | 7,679 | 2005 | 3,877 | 2021 | 1.23万 |
| 1990 | 3,407 | 2006 | 4,482 | 2022 | 1.41万 |
| 1991 | 337 | 2007 | 5,824 | 2023 | 1.59万 |
| 1992 | 1,381 | 2008 | 7,201 | 2024 | 1.76万 |
| 1993 | 758 | 2009 | 6,892 | 2025 | 2.09万 |
| 1994 | 1,349 | 2010 | 6,769 | 2026 | 2.38万 |
| 1995 | 2,285 | 2011 | 7,878 | | |
表を表示
| 1980 | 2 | 1996 | 136 | 2012 | 5,801 |
| 1981 | 2 | 1997 | 1,192 | 2013 | 5,804 |
| 1982 | 2 | 1998 | 1,669 | 2014 | 5,974 |
| 1983 | 2 | 1999 | 1,587 | 2015 | 6,402 |
| 1984 | 3 | 2000 | 1,765 | 2016 | 6,865 |
| 1985 | 3 | 2001 | 2,008 | 2017 | 7,447 |
| 1986 | 3 | 2002 | 2,220 | 2018 | 8,000 |
| 1987 | 3 | 2003 | 2,401 | 2019 | 8,803 |
| 1988 | 3 | 2004 | 2,714 | 2020 | 8,943 |
| 1989 | 3 | 2005 | 3,114 | 2021 | 1.04万 |
| 1990 | 4 | 2006 | 3,569 | 2022 | 1.34万 |
| 1991 | 12 | 2007 | 4,249 | 2023 | 1.47万 |
| 1992 | 17 | 2008 | 4,897 | 2024 | 1.63万 |
| 1993 | 26 | 2009 | 4,947 | 2025 | 1.85万 |
| 1994 | 46 | 2010 | 5,102 | 2026 | 2.02万 |
| 1995 | 78 | 2011 | 5,661 | | |
表を表示
| 1980 | 5,105 | 1996 | 4,838 | 2012 | 7,510 |
| 1981 | 5,360 | 1997 | 4,187 | 2013 | 7,510 |
| 1982 | 5,569 | 1998 | 4,376 | 2014 | 7,627 |
| 1983 | 5,721 | 1999 | 4,028 | 2015 | 7,939 |
| 1984 | 5,974 | 2000 | 4,170 | 2016 | 8,239 |
| 1985 | 6,077 | 2001 | 4,471 | 2017 | 8,528 |
| 1986 | 6,401 | 2002 | 4,761 | 2018 | 8,789 |
| 1987 | 6,711 | 2003 | 5,039 | 2019 | 9,186 |
| 1988 | 6,891 | 2004 | 5,395 | 2020 | 8,943 |
| 1989 | 6,886 | 2005 | 5,807 | 2021 | 9,753 |
| 1990 | 6,299 | 2006 | 6,234 | 2022 | 1.08万 |
| 1991 | 5,670 | 2007 | 6,683 | 2023 | 1.1万 |
| 1992 | 5,246 | 2008 | 7,124 | 2024 | 1.13万 |
| 1993 | 4,691 | 2009 | 6,925 | 2025 | 1.2万 |
| 1994 | 4,573 | 2010 | 7,088 | 2026 | 1.24万 |
| 1995 | 4,551 | 2011 | 7,411 | | |