表を表示
| 1980 | 1,466 | 1996 | 2,402 | 2012 | 4,297 |
| 1981 | 1,375 | 1997 | 2,310 | 2013 | 4,369 |
| 1982 | 1,295 | 1998 | 2,397 | 2014 | 4,459 |
| 1983 | 1,308 | 1999 | 2,492 | 2015 | 4,015 |
| 1984 | 1,272 | 2000 | 2,307 | 2016 | 3,848 |
| 1985 | 1,258 | 2001 | 2,345 | 2017 | 3,619 |
| 1986 | 1,298 | 2002 | 2,434 | 2018 | 3,628 |
| 1987 | 1,367 | 2003 | 2,859 | 2019 | 3,529 |
| 1988 | 1,396 | 2004 | 3,218 | 2020 | 3,549 |
| 1989 | 1,371 | 2005 | 3,301 | 2021 | 3,885 |
| 1990 | 1,698 | 2006 | 3,485 | 2022 | 3,680 |
| 1991 | 1,752 | 2007 | 3,909 | 2023 | 3,979 |
| 1992 | 2,051 | 2008 | 4,462 | 2024 | 4,181 |
| 1993 | 1,888 | 2009 | 4,281 | 2025 | 4,664 |
| 1994 | 1,983 | 2010 | 4,292 | 2026 | 4,893 |
| 1995 | 2,250 | 2011 | 4,421 | | |
表を表示
| 1980 | 594 | 1996 | 2,338 | 2012 | 6,712 |
| 1981 | 679 | 1997 | 2,554 | 2013 | 7,099 |
| 1982 | 765 | 1998 | 2,729 | 2014 | 7,570 |
| 1983 | 888 | 1999 | 2,956 | 2015 | 7,876 |
| 1984 | 989 | 2000 | 3,162 | 2016 | 8,265 |
| 1985 | 1,050 | 2001 | 3,374 | 2017 | 8,756 |
| 1986 | 1,031 | 2002 | 3,461 | 2018 | 9,603 |
| 1987 | 1,133 | 2003 | 3,684 | 2019 | 1.04万 |
| 1988 | 1,197 | 2004 | 4,007 | 2020 | 9,980 |
| 1989 | 1,301 | 2005 | 4,283 | 2021 | 1.09万 |
| 1990 | 1,491 | 2006 | 4,639 | 2022 | 1.14万 |
| 1991 | 1,620 | 2007 | 5,009 | 2023 | 1.24万 |
| 1992 | 1,814 | 2008 | 5,499 | 2024 | 1.3万 |
| 1993 | 1,895 | 2009 | 5,779 | 2025 | 1.4万 |
| 1994 | 2,006 | 2010 | 6,143 | 2026 | 1.5万 |
| 1995 | 2,128 | 2011 | 6,223 | | |
表を表示
| 1980 | 3,666 | 1996 | 4,786 | 2012 | 7,650 |
| 1981 | 3,763 | 1997 | 4,992 | 2013 | 7,744 |
| 1982 | 3,655 | 1998 | 5,174 | 2014 | 7,889 |
| 1983 | 3,737 | 1999 | 5,420 | 2015 | 7,876 |
| 1984 | 3,906 | 2000 | 5,590 | 2016 | 7,877 |
| 1985 | 3,996 | 2001 | 5,740 | 2017 | 7,970 |
| 1986 | 3,790 | 2002 | 5,757 | 2018 | 8,098 |
| 1987 | 3,960 | 2003 | 5,968 | 2019 | 8,147 |
| 1988 | 3,896 | 2004 | 6,281 | 2020 | 7,355 |
| 1989 | 3,926 | 2005 | 6,443 | 2021 | 7,655 |
| 1990 | 4,078 | 2006 | 6,722 | 2022 | 7,814 |
| 1991 | 4,158 | 2007 | 7,107 | 2023 | 7,781 |
| 1992 | 4,397 | 2008 | 7,337 | 2024 | 7,859 |
| 1993 | 4,417 | 2009 | 7,484 | 2025 | 8,008 |
| 1994 | 4,496 | 2010 | 7,664 | 2026 | 8,133 |
| 1995 | 4,544 | 2011 | 7,424 | | |