表を表示
| 1980 | 728 | 1996 | 1,010 | 2012 | 4,249 |
| 1981 | 818 | 1997 | 707 | 2013 | 4,416 |
| 1982 | 825 | 1998 | 817 | 2014 | 4,585 |
| 1983 | 816 | 1999 | 1,038 | 2015 | 3,954 |
| 1984 | 788 | 2000 | 1,129 | 2016 | 4,124 |
| 1985 | 789 | 2001 | 1,283 | 2017 | 4,543 |
| 1986 | 856 | 2002 | 1,428 | 2018 | 5,366 |
| 1987 | 832 | 2003 | 1,830 | 2019 | 5,459 |
| 1988 | 805 | 2004 | 2,371 | 2020 | 5,381 |
| 1989 | 861 | 2005 | 2,674 | 2021 | 6,396 |
| 1990 | 676 | 2006 | 2,973 | 2022 | 6,908 |
| 1991 | 408 | 2007 | 3,595 | 2023 | 8,594 |
| 1992 | 260 | 2008 | 4,371 | 2024 | 9,948 |
| 1993 | 453 | 2009 | 4,114 | 2025 | 1.12万 |
| 1994 | 736 | 2010 | 4,098 | 2026 | 1.25万 |
| 1995 | 904 | 2011 | 4,440 | | |
表を表示
| 1980 | 6,919 | 1996 | 10.6万 | 2012 | 46万 |
| 1981 | 7,016 | 1997 | 10.5万 | 2013 | 46.6万 |
| 1982 | 7,075 | 1998 | 12.3万 | 2014 | 48.3万 |
| 1983 | 6,997 | 1999 | 14.3万 | 2015 | 49.8万 |
| 1984 | 6,764 | 2000 | 16.2万 | 2016 | 51.2万 |
| 1985 | 6,768 | 2001 | 18.4万 | 2017 | 54万 |
| 1986 | 6,846 | 2002 | 20万 | 2018 | 57.9万 |
| 1987 | 6,658 | 2003 | 22.3万 | 2019 | 60万 |
| 1988 | 6,440 | 2004 | 24.4万 | 2020 | 58.4万 |
| 1989 | 6,886 | 2005 | 26.7万 | 2021 | 66.4万 |
| 1990 | 6,087 | 2006 | 29.2万 | 2022 | 77.4万 |
| 1991 | 5,975 | 2007 | 32.5万 | 2023 | 86万 |
| 1992 | 1.95万 | 2008 | 36.7万 | 2024 | 92.5万 |
| 1993 | 4.62万 | 2009 | 39.1万 | 2025 | 98.8万 |
| 1994 | 6.97万 | 2010 | 42.6万 | 2026 | 106万 |
| 1995 | 8.39万 | 2011 | 44.8万 | | |
表を表示
| 1980 | 23.9万 | 1996 | 21.6万 | 2012 | 49.5万 |
| 1981 | 24.8万 | 1997 | 19.4万 | 2013 | 50.1万 |
| 1982 | 24.9万 | 1998 | 21.2万 | 2014 | 51.1万 |
| 1983 | 24.7万 | 1999 | 24.1万 | 2015 | 52.4万 |
| 1984 | 24.7万 | 2000 | 26万 | 2016 | 54.5万 |
| 1985 | 23.8万 | 2001 | 28.4万 | 2017 | 56.3万 |
| 1986 | 24.6万 | 2002 | 29.8万 | 2018 | 58.5万 |
| 1987 | 24万 | 2003 | 31.5万 | 2019 | 60万 |
| 1988 | 23.2万 | 2004 | 33.4万 | 2020 | 58.4万 |
| 1989 | 24.8万 | 2005 | 35.4万 | 2021 | 64.2万 |
| 1990 | 21.9万 | 2006 | 37.8万 | 2022 | 68.1万 |
| 1991 | 15.9万 | 2007 | 40.3万 | 2023 | 71.6万 |
| 1992 | 14.8万 | 2008 | 43.7万 | 2024 | 75.2万 |
| 1993 | 16.3万 | 2009 | 45.5万 | 2025 | 78.8万 |
| 1994 | 18万 | 2010 | 47.4万 | 2026 | 82.3万 |
| 1995 | 19.7万 | 2011 | 48.7万 | | |