表を表示
| 1980 | 1,074 | 1996 | 742 | 2012 | 5,702 |
| 1981 | 978 | 1997 | 842 | 2013 | 5,876 |
| 1982 | 953 | 1998 | 690 | 2014 | 6,055 |
| 1983 | 968 | 1999 | 632 | 2015 | 4,676 |
| 1984 | 1,000 | 2000 | 781 | 2016 | 3,991 |
| 1985 | 1,093 | 2001 | 739 | 2017 | 4,694 |
| 1986 | 995 | 2002 | 999 | 2018 | 3,689 |
| 1987 | 1,109 | 2003 | 1,134 | 2019 | 2,941 |
| 1988 | 1,171 | 2004 | 1,451 | 2020 | 1,977 |
| 1989 | 1,326 | 2005 | 2,146 | 2021 | 2,404 |
| 1990 | 1,422 | 2006 | 2,930 | 2022 | 3,905 |
| 1991 | 1,333 | 2007 | 3,515 | 2023 | 3,079 |
| 1992 | 994 | 2008 | 4,578 | 2024 | 3,156 |
| 1993 | 699 | 2009 | 3,645 | 2025 | 3,614 |
| 1994 | 493 | 2010 | 4,102 | 2026 | 3,754 |
| 1995 | 595 | 2011 | 5,184 | | |
表を表示
| 1980 | 0 | 1996 | 95 | 2012 | 54.4万 |
| 1981 | 0 | 1997 | 192 | 2013 | 56.7万 |
| 1982 | 0 | 1998 | 271 | 2014 | 59.5万 |
| 1983 | 0 | 1999 | 1,763 | 2015 | 56.1万 |
| 1984 | 0 | 2000 | 7,841 | 2016 | 65.3万 |
| 1985 | 0 | 2001 | 1.63万 | 2017 | 77.9万 |
| 1986 | 0 | 2002 | 4.35万 | 2018 | 93.3万 |
| 1987 | 0 | 2003 | 8.46万 | 2019 | 107万 |
| 1988 | 0 | 2004 | 12.1万 | 2020 | 114万 |
| 1989 | 0 | 2005 | 18.7万 | 2021 | 152万 |
| 1990 | 0 | 2006 | 23.6万 | 2022 | 180万 |
| 1991 | 0 | 2007 | 27万 | 2023 | 211万 |
| 1992 | 0 | 2008 | 34.4万 | 2024 | 275万 |
| 1993 | 0 | 2009 | 28.9万 | 2025 | 330万 |
| 1994 | 0 | 2010 | 37.7万 | 2026 | 353万 |
| 1995 | 2 | 2011 | 48.7万 | | |
表を表示
| 1980 | 25万 | 1996 | 32.4万 | 2012 | 56.8万 |
| 1981 | 23.3万 | 1997 | 33.6万 | 2013 | 57.3万 |
| 1982 | 22.7万 | 1998 | 34万 | 2014 | 57.8万 |
| 1983 | 23万 | 1999 | 33.6万 | 2015 | 56.1万 |
| 1984 | 23.8万 | 2000 | 33.5万 | 2016 | 53.2万 |
| 1985 | 21.9万 | 2001 | 33.8万 | 2017 | 51.3万 |
| 1986 | 21.9万 | 2002 | 37.1万 | 2018 | 49.3万 |
| 1987 | 22.2万 | 2003 | 37.1万 | 2019 | 47.5万 |
| 1988 | 22.9万 | 2004 | 39.8万 | 2020 | 44.2万 |
| 1989 | 22.3万 | 2005 | 43.8万 | 2021 | 43.7万 |
| 1990 | 21万 | 2006 | 47.3万 | 2022 | 44.1万 |
| 1991 | 22.8万 | 2007 | 51.4万 | 2023 | 43.3万 |
| 1992 | 24.5万 | 2008 | 54.9万 | 2024 | 44.1万 |
| 1993 | 26.4万 | 2009 | 53.9万 | 2025 | 44万 |
| 1994 | 28.2万 | 2010 | 54.6万 | 2026 | 43.5万 |
| 1995 | 30.1万 | 2011 | 54.4万 | | |