表を表示
| 1980 | 1,246 | 1996 | 3,052 | 2012 | 5,590 |
| 1981 | 1,345 | 1997 | 3,434 | 2013 | 5,374 |
| 1982 | 1,518 | 1998 | 3,558 | 2014 | 5,238 |
| 1983 | 1,323 | 1999 | 3,564 | 2015 | 5,489 |
| 1984 | 973 | 2000 | 3,602 | 2016 | 5,486 |
| 1985 | 901 | 2001 | 3,621 | 2017 | 5,769 |
| 1986 | 1,062 | 2002 | 3,806 | 2018 | 6,139 |
| 1987 | 1,189 | 2003 | 3,680 | 2019 | 6,218 |
| 1988 | 1,408 | 2004 | 3,956 | 2020 | 5,509 |
| 1989 | 1,630 | 2005 | 4,351 | 2021 | 5,832 |
| 1990 | 2,023 | 2006 | 4,611 | 2022 | 6,820 |
| 1991 | 1,846 | 2007 | 4,955 | 2023 | 7,755 |
| 1992 | 1,851 | 2008 | 5,267 | 2024 | 7,965 |
| 1993 | 2,308 | 2009 | 4,624 | 2025 | 8,106 |
| 1994 | 2,293 | 2010 | 5,021 | 2026 | 8,356 |
| 1995 | 2,729 | 2011 | 5,471 | | |
表を表示
| 1980 | 2,218 | 1996 | 11.3万 | 2012 | 49.8万 |
| 1981 | 2,393 | 1997 | 12.2万 | 2013 | 54.1万 |
| 1982 | 2,702 | 1998 | 13万 | 2014 | 58.3万 |
| 1983 | 3,267 | 1999 | 13.9万 | 2015 | 64.4万 |
| 1984 | 4,241 | 2000 | 15.4万 | 2016 | 68.5万 |
| 1985 | 5,092 | 2001 | 16.7万 | 2017 | 74.1万 |
| 1986 | 5,839 | 2002 | 18.4万 | 2018 | 79.5万 |
| 1987 | 6,538 | 2003 | 21.2万 | 2019 | 83万 |
| 1988 | 7,746 | 2004 | 24.2万 | 2020 | 78万 |
| 1989 | 9,290 | 2005 | 27.1万 | 2021 | 87.8万 |
| 1990 | 1.46万 | 2006 | 30.3万 | 2022 | 105万 |
| 1991 | 2.23万 | 2007 | 34.1万 | 2023 | 120万 |
| 1992 | 4.26万 | 2008 | 38.2万 | 2024 | 125万 |
| 1993 | 5.76万 | 2009 | 40.7万 | 2025 | 130万 |
| 1994 | 7.59万 | 2010 | 43.9万 | 2026 | 135万 |
| 1995 | 9.63万 | 2011 | 47.1万 | | |
表を表示
| 1980 | 50.5万 | 1996 | 64.8万 | 2012 | 63.2万 |
| 1981 | 51.8万 | 1997 | 63.1万 | 2013 | 63.2万 |
| 1982 | 52.5万 | 1998 | 61.8万 | 2014 | 63.5万 |
| 1983 | 53.6万 | 1999 | 61.8万 | 2015 | 64.4万 |
| 1984 | 54万 | 2000 | 61.7万 | 2016 | 66.1万 |
| 1985 | 52.7万 | 2001 | 61.9万 | 2017 | 67.5万 |
| 1986 | 55.9万 | 2002 | 62万 | 2018 | 69.1万 |
| 1987 | 59.7万 | 2003 | 64万 | 2019 | 70.2万 |
| 1988 | 57万 | 2004 | 64.6万 | 2020 | 64.3万 |
| 1989 | 59.6万 | 2005 | 65万 | 2021 | 67.9万 |
| 1990 | 61.4万 | 2006 | 66.6万 | 2022 | 72.2万 |
| 1991 | 61.5万 | 2007 | 67.4万 | 2023 | 74.1万 |
| 1992 | 62.8万 | 2008 | 66.6万 | 2024 | 73.6万 |
| 1993 | 63.6万 | 2009 | 64.1万 | 2025 | 73.5万 |
| 1994 | 64.2万 | 2010 | 62.9万 | 2026 | 72.6万 |
| 1995 | 65.3万 | 2011 | 63.7万 | | |