表を表示
| 1980 | 1,534 | 1996 | 2,310 | 2012 | 6,262 |
| 1981 | 1,677 | 1997 | 2,495 | 2013 | 6,401 |
| 1982 | 1,545 | 1998 | 2,659 | 2014 | 6,789 |
| 1983 | 1,562 | 1999 | 2,675 | 2015 | 7,120 |
| 1984 | 2,398 | 2000 | 2,894 | 2016 | 7,506 |
| 1985 | 1,023 | 2001 | 3,007 | 2017 | 7,784 |
| 1986 | 1,212 | 2002 | 3,158 | 2018 | 8,286 |
| 1987 | 1,245 | 2003 | 2,461 | 2019 | 8,615 |
| 1988 | 1,114 | 2004 | 2,541 | 2020 | 7,525 |
| 1989 | 1,231 | 2005 | 4,008 | 2021 | 9,023 |
| 1990 | 1,123 | 2006 | 4,189 | 2022 | 1.07万 |
| 1991 | 1,365 | 2007 | 4,803 | 2023 | 1.13万 |
| 1992 | 1,574 | 2008 | 5,191 | 2024 | 1.15万 |
| 1993 | 1,742 | 2009 | 5,147 | 2025 | 1.17万 |
| 1994 | 1,916 | 2010 | 5,683 | 2026 | 1.24万 |
| 1995 | 2,141 | 2011 | 6,055 | | |
表を表示
| 1980 | 1,534 | 1996 | 2.98万 | 2012 | 24.6万 |
| 1981 | 1,677 | 1997 | 3.49万 | 2013 | 26.7万 |
| 1982 | 1,792 | 1998 | 3.91万 | 2014 | 29.5万 |
| 1983 | 1,953 | 1999 | 4.24万 | 2015 | 32万 |
| 1984 | 2,398 | 2000 | 4.68万 | 2016 | 34.5万 |
| 1985 | 3,170 | 2001 | 5.02万 | 2017 | 37万 |
| 1986 | 3,504 | 2002 | 5.53万 | 2018 | 41万 |
| 1987 | 4,309 | 2003 | 7.19万 | 2019 | 44.1万 |
| 1988 | 6,171 | 2004 | 10.6万 | 2020 | 42.5万 |
| 1989 | 7,791 | 2005 | 12.1万 | 2021 | 51.5万 |
| 1990 | 1.09万 | 2006 | 13.9万 | 2022 | 58.9万 |
| 1991 | 1.71万 | 2007 | 15.9万 | 2023 | 63.2万 |
| 1992 | 1.97万 | 2008 | 17.9万 | 2024 | 68.6万 |
| 1993 | 2.18万 | 2009 | 18.5万 | 2025 | 72.6万 |
| 1994 | 2.42万 | 2010 | 20.9万 | 2026 | 78.4万 |
| 1995 | 2.76万 | 2011 | 23万 | | |
表を表示
| 1980 | 13.9万 | 1996 | 17.4万 | 2012 | 30.4万 |
| 1981 | 14.1万 | 1997 | 18.6万 | 2013 | 31.6万 |
| 1982 | 14万 | 1998 | 19.5万 | 2014 | 33.5万 |
| 1983 | 14.3万 | 1999 | 20.4万 | 2015 | 35.5万 |
| 1984 | 14.2万 | 2000 | 21万 | 2016 | 37.5万 |
| 1985 | 13.6万 | 2001 | 21.3万 | 2017 | 38.6万 |
| 1986 | 13.7万 | 2002 | 21.9万 | 2018 | 41万 |
| 1987 | 14.7万 | 2003 | 21.3万 | 2019 | 42.6万 |
| 1988 | 14.7万 | 2004 | 21.6万 | 2020 | 38.9万 |
| 1989 | 15万 | 2005 | 23.4万 | 2021 | 44万 |
| 1990 | 13.9万 | 2006 | 25.2万 | 2022 | 45.9万 |
| 1991 | 13.8万 | 2007 | 26.8万 | 2023 | 46.5万 |
| 1992 | 15.1万 | 2008 | 27.3万 | 2024 | 48.4万 |
| 1993 | 15.9万 | 2009 | 27.3万 | 2025 | 49.1万 |
| 1994 | 16万 | 2010 | 29.3万 | 2026 | 50.5万 |
| 1995 | 16.7万 | 2011 | 29.9万 | | |