表を表示
| 1980 | 774 | 1996 | 1,316 | 2012 | 2,721 |
| 1981 | 830 | 1997 | 1,280 | 2013 | 2,903 |
| 1982 | 843 | 1998 | 988 | 2014 | 2,996 |
| 1983 | 736 | 1999 | 1,112 | 2015 | 3,039 |
| 1984 | 678 | 2000 | 1,087 | 2016 | 3,108 |
| 1985 | 646 | 2001 | 1,004 | 2017 | 3,153 |
| 1986 | 615 | 2002 | 1,050 | 2018 | 3,280 |
| 1987 | 667 | 2003 | 1,063 | 2019 | 3,512 |
| 1988 | 744 | 2004 | 1,137 | 2020 | 3,313 |
| 1989 | 817 | 2005 | 1,261 | 2021 | 3,580 |
| 1990 | 829 | 2006 | 1,471 | 2022 | 3,645 |
| 1991 | 830 | 2007 | 1,765 | 2023 | 3,905 |
| 1992 | 947 | 2008 | 2,012 | 2024 | 4,089 |
| 1993 | 950 | 2009 | 1,924 | 2025 | 4,270 |
| 1994 | 1,095 | 2010 | 2,237 | 2026 | 4,443 |
| 1995 | 1,237 | 2011 | 2,473 | | |
表を表示
| 1980 | 5,817 | 1996 | 3.45万 | 2012 | 11.5万 |
| 1981 | 6,555 | 1997 | 3.77万 | 2013 | 12.3万 |
| 1982 | 7,203 | 1998 | 4.04万 | 2014 | 13.3万 |
| 1983 | 8,176 | 1999 | 4.35万 | 2015 | 13.8万 |
| 1984 | 1.13万 | 2000 | 4.81万 | 2016 | 14.8万 |
| 1985 | 1.21万 | 2001 | 5.12万 | 2017 | 15.9万 |
| 1986 | 1.25万 | 2002 | 5.42万 | 2018 | 17.3万 |
| 1987 | 1.37万 | 2003 | 5.76万 | 2019 | 18.2万 |
| 1988 | 1.57万 | 2004 | 6.37万 | 2020 | 16.4万 |
| 1989 | 1.78万 | 2005 | 6.95万 | 2021 | 17.6万 |
| 1990 | 2.01万 | 2006 | 7.55万 | 2022 | 19.9万 |
| 1991 | 2.28万 | 2007 | 8.14万 | 2023 | 21.7万 |
| 1992 | 2.42万 | 2008 | 8.95万 | 2024 | 23.4万 |
| 1993 | 2.58万 | 2009 | 9.16万 | 2025 | 24.6万 |
| 1994 | 2.89万 | 2010 | 10.1万 | 2026 | 26.2万 |
| 1995 | 3.18万 | 2011 | 10.7万 | | |
表を表示
| 1980 | 9.26万 | 1996 | 8.61万 | 2012 | 12.9万 |
| 1981 | 9.34万 | 1997 | 8.85万 | 2013 | 13.6万 |
| 1982 | 9.44万 | 1998 | 8.59万 | 2014 | 14.2万 |
| 1983 | 9.38万 | 1999 | 8.69万 | 2015 | 14.9万 |
| 1984 | 8.48万 | 2000 | 9.08万 | 2016 | 15.7万 |
| 1985 | 7.68万 | 2001 | 9.16万 | 2017 | 16.5万 |
| 1986 | 7.75万 | 2002 | 9.3万 | 2018 | 17.3万 |
| 1987 | 7.89万 | 2003 | 9.58万 | 2019 | 18.1万 |
| 1988 | 8.23万 | 2004 | 10万 | 2020 | 16.1万 |
| 1989 | 8.54万 | 2005 | 10.3万 | 2021 | 16.8万 |
| 1990 | 8.6万 | 2006 | 10.6万 | 2022 | 18万 |
| 1991 | 8.37万 | 2007 | 11.1万 | 2023 | 18.8万 |
| 1992 | 8.21万 | 2008 | 11.4万 | 2024 | 19.7万 |
| 1993 | 8.19万 | 2009 | 11.4万 | 2025 | 20.4万 |
| 1994 | 8.36万 | 2010 | 12万 | 2026 | 21万 |
| 1995 | 8.54万 | 2011 | 12.3万 | | |