表を表示
| 1980 | 228 | 1996 | 163 | 2012 | 511 |
| 1981 | 228 | 1997 | 156 | 2013 | 549 |
| 1982 | 233 | 1998 | 137 | 2014 | 623 |
| 1983 | 251 | 1999 | 129 | 2015 | 708 |
| 1984 | 230 | 2000 | 136 | 2016 | 791 |
| 1985 | 261 | 2001 | 132 | 2017 | 823 |
| 1986 | 262 | 2002 | 124 | 2018 | 840 |
| 1987 | 272 | 2003 | 133 | 2019 | 949 |
| 1988 | 272 | 2004 | 152 | 2020 | 969 |
| 1989 | 277 | 2005 | 181 | 2021 | 974 |
| 1990 | 285 | 2006 | 219 | 2022 | 1,143 |
| 1991 | 304 | 2007 | 267 | 2023 | 1,511 |
| 1992 | 310 | 2008 | 351 | 2024 | 1,311 |
| 1993 | 187 | 2009 | 373 | 2025 | 987 |
| 1994 | 161 | 2010 | 341 | 2026 | 1,081 |
| 1995 | 151 | 2011 | 378 | | |
表を表示
| 1980 | 471 | 1996 | 1,039 | 2012 | 9,037 |
| 1981 | 472 | 1997 | 1,046 | 2013 | 1.02万 |
| 1982 | 483 | 1998 | 978 | 2014 | 1.22万 |
| 1983 | 520 | 1999 | 1,023 | 2015 | 1.46万 |
| 1984 | 476 | 2000 | 1,118 | 2016 | 1.72万 |
| 1985 | 540 | 2001 | 1,113 | 2017 | 1.96万 |
| 1986 | 543 | 2002 | 1,061 | 2018 | 2.3万 |
| 1987 | 562 | 2003 | 1,141 | 2019 | 2.76万 |
| 1988 | 564 | 2004 | 1,314 | 2020 | 3.38万 |
| 1989 | 574 | 2005 | 1,573 | 2021 | 4.26万 |
| 1990 | 589 | 2006 | 1,895 | 2022 | 5.92万 |
| 1991 | 630 | 2007 | 2,393 | 2023 | 8.25万 |
| 1992 | 642 | 2008 | 3,340 | 2024 | 10.8万 |
| 1993 | 797 | 2009 | 4,394 | 2025 | 13.6万 |
| 1994 | 819 | 2010 | 4,896 | 2026 | 17.3万 |
| 1995 | 950 | 2011 | 6,383 | | |
表を表示
| 1980 | 6,780 | 1996 | 5,906 | 2012 | 1.21万 |
| 1981 | 6,620 | 1997 | 5,903 | 2013 | 1.3万 |
| 1982 | 6,498 | 1998 | 5,503 | 2014 | 1.4万 |
| 1983 | 6,793 | 1999 | 5,693 | 2015 | 1.51万 |
| 1984 | 6,425 | 2000 | 6,088 | 2016 | 1.59万 |
| 1985 | 5,511 | 2001 | 6,373 | 2017 | 1.71万 |
| 1986 | 5,854 | 2002 | 6,311 | 2018 | 1.8万 |
| 1987 | 6,456 | 2003 | 6,022 | 2019 | 1.92万 |
| 1988 | 6,286 | 2004 | 6,556 | 2020 | 2万 |
| 1989 | 6,056 | 2005 | 7,195 | 2021 | 2.07万 |
| 1990 | 6,010 | 2006 | 7,819 | 2022 | 2.16万 |
| 1991 | 5,391 | 2007 | 8,453 | 2023 | 2.28万 |
| 1992 | 4,746 | 2008 | 9,091 | 2024 | 2.4万 |
| 1993 | 5,202 | 2009 | 9,746 | 2025 | 2.57万 |
| 1994 | 5,211 | 2010 | 1.05万 | 2026 | 2.76万 |
| 1995 | 5,359 | 2011 | 1.14万 | | |