表を表示
| 1980 | 308 | 1996 | 710 | 2012 | 6,388 |
| 1981 | 289 | 1997 | 783 | 2013 | 7,158 |
| 1982 | 280 | 1998 | 830 | 2014 | 7,775 |
| 1983 | 297 | 1999 | 875 | 2015 | 8,173 |
| 1984 | 302 | 2000 | 963 | 2016 | 8,225 |
| 1985 | 294 | 2001 | 1,059 | 2017 | 8,939 |
| 1986 | 280 | 2002 | 1,157 | 2018 | 1万 |
| 1987 | 300 | 2003 | 1,301 | 2019 | 1.03万 |
| 1988 | 369 | 2004 | 1,522 | 2020 | 1.07万 |
| 1989 | 407 | 2005 | 1,779 | 2021 | 1.29万 |
| 1990 | 348 | 2006 | 2,129 | 2022 | 1.3万 |
| 1991 | 359 | 2007 | 2,735 | 2023 | 1.3万 |
| 1992 | 423 | 2008 | 3,506 | 2024 | 1.35万 |
| 1993 | 525 | 2009 | 3,879 | 2025 | 1.4万 |
| 1994 | 473 | 2010 | 4,578 | 2026 | 1.49万 |
| 1995 | 609 | 2011 | 5,654 | | |
表を表示
| 1980 | 461 | 1996 | 5,902 | 2012 | 4.03万 |
| 1981 | 493 | 1997 | 6,490 | 2013 | 4.43万 |
| 1982 | 531 | 1998 | 6,872 | 2014 | 4.78万 |
| 1983 | 587 | 1999 | 7,247 | 2015 | 5.09万 |
| 1984 | 700 | 2000 | 7,971 | 2016 | 5.46万 |
| 1985 | 862 | 2001 | 8,764 | 2017 | 6.04万 |
| 1986 | 968 | 2002 | 9,579 | 2018 | 6.64万 |
| 1987 | 1,118 | 2003 | 1.08万 | 2019 | 7.14万 |
| 1988 | 1,372 | 2004 | 1.26万 | 2020 | 7.38万 |
| 1989 | 1,533 | 2005 | 1.46万 | 2021 | 8.3万 |
| 1990 | 1,662 | 2006 | 1.7万 | 2022 | 8.74万 |
| 1991 | 1,912 | 2007 | 2.08万 | 2023 | 9.18万 |
| 1992 | 2,332 | 2008 | 2.43万 | 2024 | 9.58万 |
| 1993 | 3,024 | 2009 | 2.65万 | 2025 | 9.98万 |
| 1994 | 4,072 | 2010 | 3.1万 | 2026 | 10.4万 |
| 1995 | 5,086 | 2011 | 3.65万 | | |
表を表示
| 1980 | 2,688 | 1996 | 1.04万 | 2012 | 4.18万 |
| 1981 | 2,787 | 1997 | 1.13万 | 2013 | 4.48万 |
| 1982 | 2,990 | 1998 | 1.21万 | 2014 | 4.78万 |
| 1983 | 3,270 | 1999 | 1.29万 | 2015 | 5.09万 |
| 1984 | 3,718 | 2000 | 1.39万 | 2016 | 5.4万 |
| 1985 | 4,161 | 2001 | 1.5万 | 2017 | 5.74万 |
| 1986 | 4,461 | 2002 | 1.62万 | 2018 | 6.1万 |
| 1987 | 4,901 | 2003 | 1.78万 | 2019 | 6.45万 |
| 1988 | 5,366 | 2004 | 1.95万 | 2020 | 6.6万 |
| 1989 | 5,508 | 2005 | 2.16万 | 2021 | 7.16万 |
| 1990 | 5,640 | 2006 | 2.42万 | 2022 | 7.38万 |
| 1991 | 6,136 | 2007 | 2.74万 | 2023 | 7.79万 |
| 1992 | 6,931 | 2008 | 2.99万 | 2024 | 8.19万 |
| 1993 | 7,808 | 2009 | 3.26万 | 2025 | 8.62万 |
| 1994 | 8,732 | 2010 | 3.59万 | 2026 | 9.02万 |
| 1995 | 9,592 | 2011 | 3.9万 | | |