表を表示
| 1980 | 397 | 1996 | 253 | 2012 | 671 |
| 1981 | 301 | 1997 | 297 | 2013 | 673 |
| 1982 | 300 | 1998 | 330 | 2014 | 684 |
| 1983 | 264 | 1999 | 364 | 2015 | 599 |
| 1984 | 270 | 2000 | 335 | 2016 | 434 |
| 1985 | 354 | 2001 | 310 | 2017 | 463 |
| 1986 | 414 | 2002 | 317 | 2018 | 510 |
| 1987 | 187 | 2003 | 341 | 2019 | 512 |
| 1988 | 165 | 2004 | 399 | 2020 | 457 |
| 1989 | 172 | 2005 | 433 | 2021 | 504 |
| 1990 | 272 | 2006 | 451 | 2022 | 573 |
| 1991 | 289 | 2007 | 499 | 2023 | 617 |
| 1992 | 203 | 2008 | 580 | 2024 | 653 |
| 1993 | 201 | 2009 | 536 | 2025 | 623 |
| 1994 | 198 | 2010 | 485 | 2026 | 632 |
| 1995 | 198 | 2011 | 604 | | |
表を表示
| 1980 | 14 | 1996 | 2,852 | 2012 | 1.9万 |
| 1981 | 11 | 1997 | 3,431 | 2013 | 2.03万 |
| 1982 | 11 | 1998 | 3,920 | 2014 | 2.14万 |
| 1983 | 11 | 1999 | 4,656 | 2015 | 2.4万 |
| 1984 | 11 | 2000 | 5,099 | 2016 | 2.73万 |
| 1985 | 15 | 2001 | 6,420 | 2017 | 2.94万 |
| 1986 | 17 | 2002 | 7,509 | 2018 | 3.08万 |
| 1987 | 54 | 2003 | 8,099 | 2019 | 3.2万 |
| 1988 | 87 | 2004 | 9,002 | 2020 | 3.17万 |
| 1989 | 136 | 2005 | 9,979 | 2021 | 3.3万 |
| 1990 | 253 | 2006 | 1.15万 | 2022 | 3.66万 |
| 1991 | 415 | 2007 | 1.29万 | 2023 | 3.94万 |
| 1992 | 510 | 2008 | 1.41万 | 2024 | 4.17万 |
| 1993 | 777 | 2009 | 1.47万 | 2025 | 3.99万 |
| 1994 | 1,195 | 2010 | 1.65万 | 2026 | 4.1万 |
| 1995 | 1,784 | 2011 | 1.76万 | | |
表を表示
| 1980 | 1.27万 | 1996 | 1.24万 | 2012 | 2.78万 |
| 1981 | 1.3万 | 1997 | 1.34万 | 2013 | 2.88万 |
| 1982 | 1.18万 | 1998 | 1.45万 | 2014 | 3.02万 |
| 1983 | 9,788 | 1999 | 1.58万 | 2015 | 3.15万 |
| 1984 | 9,009 | 2000 | 1.55万 | 2016 | 3.21万 |
| 1985 | 9,008 | 2001 | 1.7万 | 2017 | 3.2万 |
| 1986 | 8,770 | 2002 | 1.81万 | 2018 | 3.22万 |
| 1987 | 1.01万 | 2003 | 1.88万 | 2019 | 3.2万 |
| 1988 | 1.09万 | 2004 | 1.98万 | 2020 | 3.07万 |
| 1989 | 1.16万 | 2005 | 2.04万 | 2021 | 3.06万 |
| 1990 | 1.15万 | 2006 | 2.18万 | 2022 | 3.11万 |
| 1991 | 1.2万 | 2007 | 2.28万 | 2023 | 3.19万 |
| 1992 | 1.07万 | 2008 | 2.38万 | 2024 | 3.17万 |
| 1993 | 1.14万 | 2009 | 2.45万 | 2025 | 3.06万 |
| 1994 | 1.17万 | 2010 | 2.54万 | 2026 | 3万 |
| 1995 | 1.15万 | 2011 | 2.65万 | | |