表を表示
| 1980 | 690 | 1996 | 1,002 | 2012 | 2,990 |
| 1981 | 611 | 1997 | 1,065 | 2013 | 3,367 |
| 1982 | 663 | 1998 | 1,135 | 2014 | 3,623 |
| 1983 | 615 | 1999 | 1,088 | 2015 | 3,635 |
| 1984 | 626 | 2000 | 1,089 | 2016 | 3,721 |
| 1985 | 664 | 2001 | 1,040 | 2017 | 4,078 |
| 1986 | 636 | 2002 | 999 | 2018 | 4,238 |
| 1987 | 678 | 2003 | 1,001 | 2019 | 4,234 |
| 1988 | 707 | 2004 | 1,064 | 2020 | 3,607 |
| 1989 | 710 | 2005 | 1,148 | 2021 | 4,040 |
| 1990 | 718 | 2006 | 1,355 | 2022 | 4,250 |
| 1991 | 777 | 2007 | 1,539 | 2023 | 4,306 |
| 1992 | 810 | 2008 | 1,937 | 2024 | 4,453 |
| 1993 | 812 | 2009 | 2,004 | 2025 | 5,107 |
| 1994 | 832 | 2010 | 2,229 | 2026 | 6,333 |
| 1995 | 921 | 2011 | 2,697 | | |
表を表示
| 1980 | 0 | 1996 | 5,092 | 2012 | 2.05万 |
| 1981 | 0 | 1997 | 5,603 | 2013 | 2.31万 |
| 1982 | 0 | 1998 | 6,262 | 2014 | 2.49万 |
| 1983 | 0 | 1999 | 6,337 | 2015 | 2.49万 |
| 1984 | 3 | 2000 | 6,743 | 2016 | 2.55万 |
| 1985 | 387 | 2001 | 6,857 | 2017 | 2.8万 |
| 1986 | 1,219 | 2002 | 7,155 | 2018 | 2.91万 |
| 1987 | 1,394 | 2003 | 7,655 | 2019 | 2.9万 |
| 1988 | 1,661 | 2004 | 8,430 | 2020 | 2.47万 |
| 1989 | 1,911 | 2005 | 9,240 | 2021 | 2.77万 |
| 1990 | 2,277 | 2006 | 1.08万 | 2022 | 2.92万 |
| 1991 | 2,787 | 2007 | 1.2万 | 2023 | 2.95万 |
| 1992 | 3,166 | 2008 | 1.39万 | 2024 | 3.06万 |
| 1993 | 3,468 | 2009 | 1.4万 | 2025 | 3.5万 |
| 1994 | 3,850 | 2010 | 1.55万 | 2026 | 4.34万 |
| 1995 | 4,428 | 2011 | 1.86万 | | |
表を表示
| 1980 | 1.88万 | 1996 | 1.66万 | 2012 | 2.33万 |
| 1981 | 1.74万 | 1997 | 1.71万 | 2013 | 2.46万 |
| 1982 | 1.64万 | 1998 | 1.78万 | 2014 | 2.56万 |
| 1983 | 1.54万 | 1999 | 1.76万 | 2015 | 2.65万 |
| 1984 | 1.5万 | 2000 | 1.76万 | 2016 | 2.72万 |
| 1985 | 1.45万 | 2001 | 1.76万 | 2017 | 2.8万 |
| 1986 | 1.38万 | 2002 | 1.78万 | 2018 | 2.84万 |
| 1987 | 1.39万 | 2003 | 1.78万 | 2019 | 2.84万 |
| 1988 | 1.4万 | 2004 | 1.82万 | 2020 | 2.45万 |
| 1989 | 1.42万 | 2005 | 1.87万 | 2021 | 2.67万 |
| 1990 | 1.46万 | 2006 | 1.92万 | 2022 | 2.73万 |
| 1991 | 1.5万 | 2007 | 1.98万 | 2023 | 2.76万 |
| 1992 | 1.5万 | 2008 | 2.08万 | 2024 | 2.7万 |
| 1993 | 1.53万 | 2009 | 2.11万 | 2025 | 2.63万 |
| 1994 | 1.57万 | 2010 | 2.17万 | 2026 | 2.51万 |
| 1995 | 1.61万 | 2011 | 2.25万 | | |