表を表示
| 1980 | 2,462 | 1996 | 1,783 | 2012 | 6,058 |
| 1981 | 2,502 | 1997 | 1,800 | 2013 | 5,998 |
| 1982 | 2,447 | 1998 | 1,772 | 2014 | 6,109 |
| 1983 | 2,514 | 1999 | 1,769 | 2015 | 4,692 |
| 1984 | 2,640 | 2000 | 1,948 | 2016 | 4,427 |
| 1985 | 2,989 | 2001 | 1,919 | 2017 | 4,554 |
| 1986 | 2,929 | 2002 | 1,958 | 2018 | 4,568 |
| 1987 | 2,936 | 2003 | 2,305 | 2019 | 4,453 |
| 1988 | 2,327 | 2004 | 2,840 | 2020 | 3,758 |
| 1989 | 2,309 | 2005 | 3,258 | 2021 | 4,169 |
| 1990 | 2,684 | 2006 | 3,691 | 2022 | 4,984 |
| 1991 | 1,975 | 2007 | 4,208 | 2023 | 5,396 |
| 1992 | 2,033 | 2008 | 5,215 | 2024 | 5,772 |
| 1993 | 2,057 | 2009 | 4,262 | 2025 | 6,047 |
| 1994 | 1,675 | 2010 | 4,941 | 2026 | 6,628 |
| 1995 | 1,627 | 2011 | 5,946 | | |
表を表示
| 1980 | 9,448 | 1996 | 9.76万 | 2012 | 47万 |
| 1981 | 1.08万 | 1997 | 10.4万 | 2013 | 47.6万 |
| 1982 | 1.13万 | 1998 | 10.4万 | 2014 | 49.2万 |
| 1983 | 1.24万 | 1999 | 11.8万 | 2015 | 47.2万 |
| 1984 | 1.35万 | 2000 | 14.7万 | 2016 | 48.4万 |
| 1985 | 1.43万 | 2001 | 14.8万 | 2017 | 50.5万 |
| 1986 | 1.41万 | 2002 | 15.6万 | 2018 | 53.3万 |
| 1987 | 1.45万 | 2003 | 17.8万 | 2019 | 53.2万 |
| 1988 | 1.57万 | 2004 | 20.5万 | 2020 | 47.7万 |
| 1989 | 1.85万 | 2005 | 23.9万 | 2021 | 56.4万 |
| 1990 | 2.4万 | 2006 | 26.8万 | 2022 | 70.7万 |
| 1991 | 3.65万 | 2007 | 29.2万 | 2023 | 73.3万 |
| 1992 | 4.44万 | 2008 | 33.7万 | 2024 | 77.4万 |
| 1993 | 4.8万 | 2009 | 31万 | 2025 | 79.5万 |
| 1994 | 5.87万 | 2010 | 36.8万 | 2026 | 86.8万 |
| 1995 | 7.75万 | 2011 | 43.4万 | | |
表を表示
| 1980 | 15.1万 | 1996 | 13.7万 | 2012 | 18.4万 |
| 1981 | 15.1万 | 1997 | 13.6万 | 2013 | 18.5万 |
| 1982 | 15.5万 | 1998 | 14.1万 | 2014 | 18.8万 |
| 1983 | 15.9万 | 1999 | 14.3万 | 2015 | 19万 |
| 1984 | 16.2万 | 2000 | 14.6万 | 2016 | 19.3万 |
| 1985 | 16.3万 | 2001 | 14.8万 | 2017 | 19.2万 |
| 1986 | 15.9万 | 2002 | 15.4万 | 2018 | 19.1万 |
| 1987 | 15.4万 | 2003 | 16.2万 | 2019 | 18.9万 |
| 1988 | 14.6万 | 2004 | 16.6万 | 2020 | 17.8万 |
| 1989 | 15万 | 2005 | 17.3万 | 2021 | 18.2万 |
| 1990 | 14.9万 | 2006 | 17.5万 | 2022 | 18.5万 |
| 1991 | 14.4万 | 2007 | 17.8万 | 2023 | 19万 |
| 1992 | 14.2万 | 2008 | 17.8万 | 2024 | 19.4万 |
| 1993 | 13.6万 | 2009 | 17.7万 | 2025 | 19.9万 |
| 1994 | 13.2万 | 2010 | 18.2万 | 2026 | 20.4万 |
| 1995 | 13.4万 | 2011 | 18.4万 | | |