表を表示
| 1980 | 8,361 | 1996 | 8,645 | 2012 | 1.39万 |
| 1981 | 6,671 | 1997 | 9,197 | 2013 | 1.45万 |
| 1982 | 3,258 | 1998 | 9,283 | 2014 | 1.32万 |
| 1983 | 3,963 | 1999 | 8,709 | 2015 | 1.49万 |
| 1984 | 4,375 | 2000 | 8,639 | 2016 | 1.28万 |
| 1985 | 3,249 | 2001 | 8,085 | 2017 | 1.46万 |
| 1986 | 3,857 | 2002 | 2,998 | 2018 | 1.18万 |
| 1987 | 3,910 | 2003 | 3,761 | 2019 | 9,942 |
| 1988 | 4,524 | 2004 | 4,314 | 2020 | 8,489 |
| 1989 | 2,867 | 2005 | 5,164 | 2021 | 1.06万 |
| 1990 | 4,858 | 2006 | 5,976 | 2022 | 1.37万 |
| 1991 | 6,429 | 2007 | 7,316 | 2023 | 1.39万 |
| 1992 | 7,654 | 2008 | 9,147 | 2024 | 1.35万 |
| 1993 | 7,796 | 2009 | 8,338 | 2025 | 1.44万 |
| 1994 | 8,379 | 2010 | 1.04万 | 2026 | 1.44万 |
| 1995 | 8,295 | 2011 | 1.28万 | | |
表を表示
| 1980 | 0 | 1996 | 8,645 | 2012 | 6.32万 |
| 1981 | 0 | 1997 | 9,197 | 2013 | 7.93万 |
| 1982 | 0 | 1998 | 9,283 | 2014 | 10.7万 |
| 1983 | 0 | 1999 | 8,709 | 2015 | 13.8万 |
| 1984 | 0 | 2000 | 8,639 | 2016 | 18.9万 |
| 1985 | 0 | 2001 | 8,085 | 2017 | 24.2万 |
| 1986 | 0 | 2002 | 9,316 | 2018 | 33.1万 |
| 1987 | 1 | 2003 | 1.11万 | 2019 | 48万 |
| 1988 | 4 | 2004 | 1.27万 | 2020 | 60万 |
| 1989 | 114 | 2005 | 1.51万 | 2021 | 101万 |
| 1990 | 2,369 | 2006 | 1.84万 | 2022 | 179万 |
| 1991 | 6,135 | 2007 | 2.28万 | 2023 | 412万 |
| 1992 | 7,582 | 2008 | 2.89万 | 2024 | 1,241万 |
| 1993 | 7,796 | 2009 | 3.11万 | 2025 | 1,785万 |
| 1994 | 8,379 | 2010 | 4.07万 | 2026 | 2,419万 |
| 1995 | 8,295 | 2011 | 5.28万 | | |
表を表示
| 1980 | 1.28万 | 1996 | 1.27万 | 2012 | 1.69万 |
| 1981 | 1.18万 | 1997 | 1.35万 | 2013 | 1.71万 |
| 1982 | 1.13万 | 1998 | 1.39万 | 2014 | 1.65万 |
| 1983 | 1.15万 | 1999 | 1.33万 | 2015 | 1.67万 |
| 1984 | 1.16万 | 2000 | 1.3万 | 2016 | 1.62万 |
| 1985 | 1.06万 | 2001 | 1.23万 | 2017 | 1.65万 |
| 1986 | 1.12万 | 2002 | 1.09万 | 2018 | 1.59万 |
| 1987 | 1.13万 | 2003 | 1.18万 | 2019 | 1.54万 |
| 1988 | 1.1万 | 2004 | 1.27万 | 2020 | 1.38万 |
| 1989 | 1.01万 | 2005 | 1.37万 | 2021 | 1.51万 |
| 1990 | 9,758 | 2006 | 1.46万 | 2022 | 1.58万 |
| 1991 | 1.06万 | 2007 | 1.58万 | 2023 | 1.54万 |
| 1992 | 1.16万 | 2008 | 1.63万 | 2024 | 1.5万 |
| 1993 | 1.21万 | 2009 | 1.52万 | 2025 | 1.56万 |
| 1994 | 1.27万 | 2010 | 1.64万 | 2026 | 1.6万 |
| 1995 | 1.22万 | 2011 | 1.72万 | | |