表を表示
| 1980 | 303 | 1996 | 495 | 2012 | 1,212 |
| 1981 | 299 | 1997 | 517 | 2013 | 1,140 |
| 1982 | 243 | 1998 | 475 | 2014 | 1,191 |
| 1983 | 261 | 1999 | 468 | 2015 | 1,046 |
| 1984 | 228 | 2000 | 460 | 2016 | 1,036 |
| 1985 | 177 | 2001 | 387 | 2017 | 1,124 |
| 1986 | 199 | 2002 | 429 | 2018 | 1,132 |
| 1987 | 255 | 2003 | 633 | 2019 | 1,052 |
| 1988 | 285 | 2004 | 811 | 2020 | 936 |
| 1989 | 292 | 2005 | 886 | 2021 | 1,080 |
| 1990 | 351 | 2006 | 884 | 2022 | 995 |
| 1991 | 403 | 2007 | 900 | 2023 | 963 |
| 1992 | 460 | 2008 | 840 | 2024 | 1,075 |
| 1993 | 455 | 2009 | 978 | 2025 | 1,206 |
| 1994 | 474 | 2010 | 1,180 | 2026 | 1,241 |
| 1995 | 529 | 2011 | 1,276 | | |
表を表示
| 1980 | 235 | 1996 | 2,130 | 2012 | 1.03万 |
| 1981 | 260 | 1997 | 2,380 | 2013 | 1.16万 |
| 1982 | 263 | 1998 | 2,624 | 2014 | 1.32万 |
| 1983 | 291 | 1999 | 2,856 | 2015 | 1.44万 |
| 1984 | 328 | 2000 | 3,191 | 2016 | 1.46万 |
| 1985 | 389 | 2001 | 3,686 | 2017 | 1.46万 |
| 1986 | 451 | 2002 | 4,172 | 2018 | 1.56万 |
| 1987 | 518 | 2003 | 4,539 | 2019 | 1.55万 |
| 1988 | 648 | 2004 | 5,071 | 2020 | 1.53万 |
| 1989 | 766 | 2005 | 5,669 | 2021 | 1.6万 |
| 1990 | 908 | 2006 | 6,223 | 2022 | 1.69万 |
| 1991 | 1,113 | 2007 | 6,419 | 2023 | 1.81万 |
| 1992 | 1,313 | 2008 | 7,442 | 2024 | 1.96万 |
| 1993 | 1,487 | 2009 | 7,650 | 2025 | 2.03万 |
| 1994 | 1,685 | 2010 | 8,491 | 2026 | 2.11万 |
| 1995 | 1,918 | 2011 | 9,499 | | |
表を表示
| 1980 | 4,017 | 1996 | 6,150 | 2012 | 1.01万 |
| 1981 | 4,034 | 1997 | 6,301 | 2013 | 1.01万 |
| 1982 | 4,151 | 1998 | 6,353 | 2014 | 1.02万 |
| 1983 | 4,156 | 1999 | 6,428 | 2015 | 1.04万 |
| 1984 | 4,231 | 2000 | 6,680 | 2016 | 1.05万 |
| 1985 | 4,234 | 2001 | 6,911 | 2017 | 1万 |
| 1986 | 4,284 | 2002 | 7,100 | 2018 | 9,792 |
| 1987 | 4,303 | 2003 | 7,437 | 2019 | 9,508 |
| 1988 | 4,543 | 2004 | 7,644 | 2020 | 8,585 |
| 1989 | 4,719 | 2005 | 7,972 | 2021 | 8,879 |
| 1990 | 4,927 | 2006 | 8,341 | 2022 | 8,927 |
| 1991 | 5,205 | 2007 | 8,724 | 2023 | 9,050 |
| 1992 | 5,430 | 2008 | 8,897 | 2024 | 9,388 |
| 1993 | 5,561 | 2009 | 8,875 | 2025 | 9,404 |
| 1994 | 5,772 | 2010 | 9,258 | 2026 | 9,395 |
| 1995 | 5,933 | 2011 | 9,752 | | |