表を表示
| 1980 | 1,099 | 1996 | 1,417 | 2012 | 3,307 |
| 1981 | 1,170 | 1997 | 1,564 | 2013 | 3,444 |
| 1982 | 1,156 | 1998 | 1,657 | 2014 | 3,688 |
| 1983 | 1,170 | 1999 | 1,525 | 2015 | 3,893 |
| 1984 | 1,194 | 2000 | 1,549 | 2016 | 4,059 |
| 1985 | 1,374 | 2001 | 1,649 | 2017 | 4,323 |
| 1986 | 724 | 2002 | 1,790 | 2018 | 4,353 |
| 1987 | 818 | 2003 | 1,844 | 2019 | 4,511 |
| 1988 | 864 | 2004 | 1,950 | 2020 | 4,478 |
| 1989 | 972 | 2005 | 2,153 | 2021 | 4,912 |
| 1990 | 835 | 2006 | 2,342 | 2022 | 5,359 |
| 1991 | 989 | 2007 | 2,566 | 2023 | 5,758 |
| 1992 | 1,065 | 2008 | 2,888 | 2024 | 6,149 |
| 1993 | 1,129 | 2009 | 2,673 | 2025 | 6,489 |
| 1994 | 1,243 | 2010 | 2,862 | 2026 | 6,810 |
| 1995 | 1,362 | 2011 | 3,206 | | |
表を表示
| 1980 | 1,099 | 1996 | 8,629 | 2012 | 2.59万 |
| 1981 | 1,170 | 1997 | 9,483 | 2013 | 2.71万 |
| 1982 | 1,156 | 1998 | 1.06万 | 2014 | 2.85万 |
| 1983 | 1,170 | 1999 | 1.12万 | 2015 | 2.98万 |
| 1984 | 1,194 | 2000 | 1.2万 | 2016 | 3.09万 |
| 1985 | 1,374 | 2001 | 1.29万 | 2017 | 3.18万 |
| 1986 | 1,898 | 2002 | 1.4万 | 2018 | 3.27万 |
| 1987 | 2,070 | 2003 | 1.46万 | 2019 | 3.47万 |
| 1988 | 2,342 | 2004 | 1.55万 | 2020 | 3.46万 |
| 1989 | 2,634 | 2005 | 1.64万 | 2021 | 3.8万 |
| 1990 | 3,725 | 2006 | 1.78万 | 2022 | 4.15万 |
| 1991 | 4,968 | 2007 | 1.97万 | 2023 | 4.51万 |
| 1992 | 5,511 | 2008 | 2.18万 | 2024 | 4.77万 |
| 1993 | 6,357 | 2009 | 2.18万 | 2025 | 4.98万 |
| 1994 | 7,159 | 2010 | 2.31万 | 2026 | 5.22万 |
| 1995 | 7,910 | 2011 | 2.5万 | | |
表を表示
| 1980 | 2.44万 | 1996 | 2.18万 | 2012 | 2.66万 |
| 1981 | 2.39万 | 1997 | 2.22万 | 2013 | 2.71万 |
| 1982 | 2.25万 | 1998 | 2.26万 | 2014 | 2.77万 |
| 1983 | 2.14万 | 1999 | 2.29万 | 2015 | 2.83万 |
| 1984 | 2.1万 | 2000 | 2.29万 | 2016 | 2.86万 |
| 1985 | 2.03万 | 2001 | 2.3万 | 2017 | 2.89万 |
| 1986 | 1.98万 | 2002 | 2.34万 | 2018 | 2.94万 |
| 1987 | 2万 | 2003 | 2.35万 | 2019 | 3.01万 |
| 1988 | 2.03万 | 2004 | 2.37万 | 2020 | 2.92万 |
| 1989 | 2.06万 | 2005 | 2.39万 | 2021 | 3.11万 |
| 1990 | 2.07万 | 2006 | 2.47万 | 2022 | 3.19万 |
| 1991 | 2.08万 | 2007 | 2.57万 | 2023 | 3.25万 |
| 1992 | 2.11万 | 2008 | 2.6万 | 2024 | 3.32万 |
| 1993 | 2.13万 | 2009 | 2.56万 | 2025 | 3.41万 |
| 1994 | 2.14万 | 2010 | 2.58万 | 2026 | 3.5万 |
| 1995 | 2.18万 | 2011 | 2.64万 | | |