表を表示
| 1980 | 2,052 | 1996 | 1,565 | 2012 | 8,919 |
| 1981 | 2,450 | 1997 | 1,572 | 2013 | 9,482 |
| 1982 | 2,441 | 1998 | 1,885 | 2014 | 1万 |
| 1983 | 2,125 | 1999 | 1,601 | 2015 | 8,952 |
| 1984 | 1,710 | 2000 | 1,668 | 2016 | 9,379 |
| 1985 | 2,102 | 2001 | 1,801 | 2017 | 1.07万 |
| 1986 | 2,264 | 2002 | 2,108 | 2018 | 1.24万 |
| 1987 | 2,518 | 2003 | 2,672 | 2019 | 1.29万 |
| 1988 | 2,593 | 2004 | 3,488 | 2020 | 1.3万 |
| 1989 | 2,315 | 2005 | 4,609 | 2021 | 1.49万 |
| 1990 | 1,642 | 2006 | 5,745 | 2022 | 1.55万 |
| 1991 | 1,241 | 2007 | 8,274 | 2023 | 1.83万 |
| 1992 | 848 | 2008 | 1.04万 | 2024 | 2.02万 |
| 1993 | 1,147 | 2009 | 8,541 | 2025 | 2.27万 |
| 1994 | 1,317 | 2010 | 8,393 | 2026 | 2.57万 |
| 1995 | 1,563 | 2011 | 9,547 | | |
表を表示
| 1980 | 4 | 1996 | 483 | 2012 | 3.09万 |
| 1981 | 4 | 1997 | 1,127 | 2013 | 3.16万 |
| 1982 | 4 | 1998 | 1,673 | 2014 | 3.35万 |
| 1983 | 4 | 1999 | 2,455 | 2015 | 3.59万 |
| 1984 | 4 | 2000 | 3,601 | 2016 | 3.81万 |
| 1985 | 4 | 2001 | 5,234 | 2017 | 4.34万 |
| 1986 | 4 | 2002 | 6,974 | 2018 | 4.88万 |
| 1987 | 4 | 2003 | 8,874 | 2019 | 5.46万 |
| 1988 | 4 | 2004 | 1.14万 | 2020 | 5.5万 |
| 1989 | 3 | 2005 | 1.34万 | 2021 | 6.18万 |
| 1990 | 4 | 2006 | 1.61万 | 2022 | 7.27万 |
| 1991 | 10 | 2007 | 2.01万 | 2023 | 8.35万 |
| 1992 | 26 | 2008 | 2.62万 | 2024 | 9.29万 |
| 1993 | 87 | 2009 | 2.6万 | 2025 | 10.1万 |
| 1994 | 218 | 2010 | 2.66万 | 2026 | 11.1万 |
| 1995 | 318 | 2011 | 2.91万 | | |
表を表示
| 1980 | 2.57万 | 1996 | 2.51万 | 2012 | 4.18万 |
| 1981 | 2.55万 | 1997 | 2.38万 | 2013 | 4.21万 |
| 1982 | 2.64万 | 1998 | 2.27万 | 2014 | 4.4万 |
| 1983 | 2.79万 | 1999 | 2.26万 | 2015 | 4.55万 |
| 1984 | 2.94万 | 2000 | 2.32万 | 2016 | 4.71万 |
| 1985 | 2.93万 | 2001 | 2.45万 | 2017 | 5.13万 |
| 1986 | 2.98万 | 2002 | 2.66万 | 2018 | 5.43万 |
| 1987 | 2.99万 | 2003 | 2.75万 | 2019 | 5.68万 |
| 1988 | 2.96万 | 2004 | 3.05万 | 2020 | 5.5万 |
| 1989 | 2.78万 | 2005 | 3.21万 | 2021 | 5.85万 |
| 1990 | 2.62万 | 2006 | 3.49万 | 2022 | 6.14万 |
| 1991 | 2.28万 | 2007 | 3.76万 | 2023 | 6.28万 |
| 1992 | 2.09万 | 2008 | 4.21万 | 2024 | 6.37万 |
| 1993 | 2.13万 | 2009 | 4.02万 | 2025 | 6.45万 |
| 1994 | 2.23万 | 2010 | 3.89万 | 2026 | 6.54万 |
| 1995 | 2.41万 | 2011 | 4.08万 | | |