表を表示
| 1980 | 580 | 1996 | 1,209 | 2012 | 3,569 |
| 1981 | 618 | 1997 | 1,327 | 2013 | 3,584 |
| 1982 | 711 | 1998 | 1,455 | 2014 | 3,705 |
| 1983 | 846 | 1999 | 1,518 | 2015 | 3,934 |
| 1984 | 926 | 2000 | 1,637 | 2016 | 3,862 |
| 1985 | 1,049 | 2001 | 1,566 | 2017 | 2,593 |
| 1986 | 1,132 | 2002 | 1,355 | 2018 | 2,710 |
| 1987 | 1,585 | 2003 | 1,252 | 2019 | 3,214 |
| 1988 | 1,858 | 2004 | 1,196 | 2020 | 3,802 |
| 1989 | 2,266 | 2005 | 1,331 | 2021 | 4,146 |
| 1990 | 1,871 | 2006 | 1,564 | 2022 | 4,587 |
| 1991 | 924 | 2007 | 1,862 | 2023 | 3,744 |
| 1992 | 825 | 2008 | 2,271 | 2024 | 3,594 |
| 1993 | 897 | 2009 | 2,579 | 2025 | 3,379 |
| 1994 | 969 | 2010 | 2,923 | 2026 | 3,904 |
| 1995 | 1,098 | 2011 | 3,077 | | |
表を表示
| 1980 | 406 | 1996 | 4,102 | 2012 | 2.14万 |
| 1981 | 432 | 1997 | 4,500 | 2013 | 2.32万 |
| 1982 | 498 | 1998 | 4,930 | 2014 | 2.58万 |
| 1983 | 592 | 1999 | 5,167 | 2015 | 2.9万 |
| 1984 | 648 | 2000 | 5,588 | 2016 | 3.15万 |
| 1985 | 735 | 2001 | 5,776 | 2017 | 3.84万 |
| 1986 | 793 | 2002 | 5,982 | 2018 | 4.81万 |
| 1987 | 1,110 | 2003 | 6,456 | 2019 | 5.66万 |
| 1988 | 1,301 | 2004 | 7,363 | 2020 | 6.12万 |
| 1989 | 1,587 | 2005 | 8,009 | 2021 | 6.53万 |
| 1990 | 1,967 | 2006 | 8,996 | 2022 | 7.57万 |
| 1991 | 2,230 | 2007 | 1.06万 | 2023 | 9.65万 |
| 1992 | 2,733 | 2008 | 1.25万 | 2024 | 13万 |
| 1993 | 2,992 | 2009 | 1.43万 | 2025 | 16.8万 |
| 1994 | 3,268 | 2010 | 1.61万 | 2026 | 19.3万 |
| 1995 | 3,724 | 2011 | 1.79万 | | |
表を表示
| 1980 | 2.96万 | 1996 | 4.07万 | 2012 | 6.21万 |
| 1981 | 2.94万 | 1997 | 4.22万 | 2013 | 6.26万 |
| 1982 | 3.07万 | 1998 | 4.44万 | 2014 | 6.28万 |
| 1983 | 3.25万 | 1999 | 4.62万 | 2015 | 6.39万 |
| 1984 | 3.42万 | 2000 | 4.76万 | 2016 | 6.52万 |
| 1985 | 3.57万 | 2001 | 4.83万 | 2017 | 6.5万 |
| 1986 | 3.64万 | 2002 | 4.89万 | 2018 | 6.71万 |
| 1987 | 3.72万 | 2003 | 4.94万 | 2019 | 6.95万 |
| 1988 | 3.79万 | 2004 | 5.04万 | 2020 | 7.08万 |
| 1989 | 3.82万 | 2005 | 5.17万 | 2021 | 7.2万 |
| 1990 | 3.87万 | 2006 | 5.4万 | 2022 | 7.57万 |
| 1991 | 3.87万 | 2007 | 5.68万 | 2023 | 7.74万 |
| 1992 | 3.81万 | 2008 | 5.95万 | 2024 | 7.82万 |
| 1993 | 3.8万 | 2009 | 6.1万 | 2025 | 8.06万 |
| 1994 | 3.88万 | 2010 | 6.26万 | 2026 | 8.24万 |
| 1995 | 3.96万 | 2011 | 6.23万 | | |