表を表示
| 1980 | 1,075 | 1996 | 884 | 2012 | 2,125 |
| 1981 | 1,062 | 1997 | 945 | 2013 | 2,080 |
| 1982 | 1,086 | 1998 | 1,021 | 2014 | 2,180 |
| 1983 | 1,106 | 1999 | 1,003 | 2015 | 2,271 |
| 1984 | 1,177 | 2000 | 1,080 | 2016 | 2,307 |
| 1985 | 1,226 | 2001 | 1,132 | 2017 | 2,413 |
| 1986 | 1,281 | 2002 | 1,132 | 2018 | 2,465 |
| 1987 | 1,356 | 2003 | 1,156 | 2019 | 2,502 |
| 1988 | 1,462 | 2004 | 1,215 | 2020 | 2,307 |
| 1989 | 1,627 | 2005 | 1,304 | 2021 | 2,735 |
| 1990 | 988 | 2006 | 1,426 | 2022 | 3,003 |
| 1991 | 907 | 2007 | 1,578 | 2023 | 3,227 |
| 1992 | 938 | 2008 | 1,733 | 2024 | 3,427 |
| 1993 | 915 | 2009 | 1,781 | 2025 | 3,607 |
| 1994 | 832 | 2010 | 1,893 | 2026 | 3,711 |
| 1995 | 943 | 2011 | 2,074 | | |
表を表示
| 1980 | 2,150 | 1996 | 1.05万 | 2012 | 4.15万 |
| 1981 | 2,123 | 1997 | 1.24万 | 2013 | 4.24万 |
| 1982 | 2,173 | 1998 | 1.38万 | 2014 | 4.57万 |
| 1983 | 2,211 | 1999 | 1.44万 | 2015 | 4.98万 |
| 1984 | 2,355 | 2000 | 1.62万 | 2016 | 5.27万 |
| 1985 | 2,452 | 2001 | 1.75万 | 2017 | 5.67万 |
| 1986 | 2,561 | 2002 | 1.86万 | 2018 | 5.89万 |
| 1987 | 2,711 | 2003 | 2.01万 | 2019 | 6.13万 |
| 1988 | 2,924 | 2004 | 2.21万 | 2020 | 5.67万 |
| 1989 | 3,255 | 2005 | 2.46万 | 2021 | 6.57万 |
| 1990 | 4,065 | 2006 | 2.69万 | 2022 | 7.35万 |
| 1991 | 4,824 | 2007 | 2.98万 | 2023 | 7.94万 |
| 1992 | 5,156 | 2008 | 3.28万 | 2024 | 8.5万 |
| 1993 | 5,920 | 2009 | 3.37万 | 2025 | 9.36万 |
| 1994 | 6,997 | 2010 | 3.58万 | 2026 | 9.93万 |
| 1995 | 8,935 | 2011 | 3.92万 | | |
表を表示
| 1980 | 1.6万 | 1996 | 1.57万 | 2012 | 1.98万 |
| 1981 | 1.53万 | 1997 | 1.59万 | 2013 | 2万 |
| 1982 | 1.45万 | 1998 | 1.61万 | 2014 | 2.02万 |
| 1983 | 1.42万 | 1999 | 1.55万 | 2015 | 2.06万 |
| 1984 | 1.47万 | 2000 | 1.62万 | 2016 | 2.1万 |
| 1985 | 1.5万 | 2001 | 1.62万 | 2017 | 2.16万 |
| 1986 | 1.54万 | 2002 | 1.64万 | 2018 | 2.2万 |
| 1987 | 1.59万 | 2003 | 1.67万 | 2019 | 2.22万 |
| 1988 | 1.57万 | 2004 | 1.73万 | 2020 | 1.98万 |
| 1989 | 1.57万 | 2005 | 1.79万 | 2021 | 2.2万 |
| 1990 | 1.57万 | 2006 | 1.86万 | 2022 | 2.25万 |
| 1991 | 1.47万 | 2007 | 1.93万 | 2023 | 2.29万 |
| 1992 | 1.52万 | 2008 | 1.97万 | 2024 | 2.33万 |
| 1993 | 1.57万 | 2009 | 1.88万 | 2025 | 2.38万 |
| 1994 | 1.53万 | 2010 | 1.91万 | 2026 | 2.42万 |
| 1995 | 1.58万 | 2011 | 1.94万 | | |