表を表示
| 1980 | 1,102 | 1996 | 2,049 | 2012 | 5,440 |
| 1981 | 1,056 | 1997 | 2,162 | 2013 | 5,617 |
| 1982 | 905 | 1998 | 2,036 | 2014 | 5,604 |
| 1983 | 922 | 1999 | 2,011 | 2015 | 5,795 |
| 1984 | 861 | 2000 | 2,017 | 2016 | 6,006 |
| 1985 | 924 | 2001 | 2,024 | 2017 | 6,255 |
| 1986 | 1,054 | 2002 | 2,093 | 2018 | 6,053 |
| 1987 | 982 | 2003 | 2,144 | 2019 | 6,174 |
| 1988 | 1,126 | 2004 | 2,233 | 2020 | 6,363 |
| 1989 | 1,146 | 2005 | 2,306 | 2021 | 9,201 |
| 1990 | 951 | 2006 | 2,552 | 2022 | 1.64万 |
| 1991 | 1,037 | 2007 | 2,982 | 2023 | 1.84万 |
| 1992 | 1,146 | 2008 | 3,330 | 2024 | 2.58万 |
| 1993 | 1,393 | 2009 | 3,457 | 2025 | 2.7万 |
| 1994 | 1,627 | 2010 | 3,837 | 2026 | 3.32万 |
| 1995 | 1,832 | 2011 | 4,445 | | |
表を表示
| 1980 | 2,810 | 1996 | 28.8万 | 2012 | 111万 |
| 1981 | 2,970 | 1997 | 30.8万 | 2013 | 115万 |
| 1982 | 2,715 | 1998 | 30.6万 | 2014 | 116万 |
| 1983 | 2,765 | 1999 | 35.8万 | 2015 | 120万 |
| 1984 | 3,299 | 2000 | 36.8万 | 2016 | 124万 |
| 1985 | 3,930 | 2001 | 37.9万 | 2017 | 129万 |
| 1986 | 4,502 | 2002 | 39.9万 | 2018 | 126万 |
| 1987 | 9,583 | 2003 | 41.6万 | 2019 | 129万 |
| 1988 | 1.13万 | 2004 | 44.3万 | 2020 | 133万 |
| 1989 | 3.11万 | 2005 | 46.1万 | 2021 | 192万 |
| 1990 | 4.79万 | 2006 | 51.1万 | 2022 | 342万 |
| 1991 | 11.8万 | 2007 | 60.3万 | 2023 | 384万 |
| 1992 | 14.3万 | 2008 | 67.8万 | 2024 | 538万 |
| 1993 | 17.7万 | 2009 | 70.5万 | 2025 | 563万 |
| 1994 | 22.5万 | 2010 | 78.1万 | 2026 | 692万 |
| 1995 | 26万 | 2011 | 90.7万 | | |
表を表示
| 1980 | 66.9万 | 1996 | 76.5万 | 2012 | 111万 |
| 1981 | 67.2万 | 1997 | 80.8万 | 2013 | 116万 |
| 1982 | 61.3万 | 1998 | 79.1万 | 2014 | 119万 |
| 1983 | 54.4万 | 1999 | 81.1万 | 2015 | 119万 |
| 1984 | 55.8万 | 2000 | 79.8万 | 2016 | 123万 |
| 1985 | 56.4万 | 2001 | 81.5万 | 2017 | 125万 |
| 1986 | 56.7万 | 2002 | 82.4万 | 2018 | 125万 |
| 1987 | 57.1万 | 2003 | 81.9万 | 2019 | 125万 |
| 1988 | 54.2万 | 2004 | 83.3万 | 2020 | 174万 |
| 1989 | 52.1万 | 2005 | 81.6万 | 2021 | 206万 |
| 1990 | 51万 | 2006 | 85.6万 | 2022 | 328万 |
| 1991 | 54.2万 | 2007 | 91.4万 | 2023 | 428万 |
| 1992 | 58.4万 | 2008 | 92.9万 | 2024 | 591万 |
| 1993 | 63万 | 2009 | 95.7万 | 2025 | 672万 |
| 1994 | 68.1万 | 2010 | 99.6万 | 2026 | 765万 |
| 1995 | 71.1万 | 2011 | 106万 | | |