表を表示
| 1980 | 334 | 1995 | 829 | 2010 | 2,894 |
| 1981 | 343 | 1996 | 903 | 2011 | 3,320 |
| 1982 | 365 | 1997 | 1,004 | 2012 | 3,446 |
| 1983 | 390 | 1998 | 1,026 | 2013 | 3,737 |
| 1984 | 452 | 1999 | 1,026 | 2014 | 3,970 |
| 1985 | 443 | 2000 | 1,065 | 2015 | 4,058 |
| 1986 | 470 | 2001 | 1,017 | 2016 | 4,150 |
| 1987 | 485 | 2002 | 1,062 | 2017 | 4,401 |
| 1988 | 502 | 2003 | 1,163 | 2018 | 4,360 |
| 1989 | 498 | 2004 | 1,260 | 2019 | 4,083 |
| 1990 | 565 | 2005 | 1,478 | 2020 | 3,846 |
| 1991 | 611 | 2006 | 1,698 | 2021 | 3,999 |
| 1992 | 651 | 2007 | 1,929 | 2022 | 3,363 |
| 1993 | 689 | 2008 | 2,411 | 2023 | 3,799 |
| 1994 | 787 | 2009 | 2,472 | 2024 | 4,516 |
表を表示
| 1980 | 5,521 | 1995 | 4.48万 | 2010 | 32.7万 |
| 1981 | 6,598 | 1996 | 5.12万 | 2011 | 36.7万 |
| 1982 | 7,607 | 1997 | 5.9万 | 2012 | 44万 |
| 1983 | 9,213 | 1998 | 6.71万 | 2013 | 48.3万 |
| 1984 | 1.15万 | 1999 | 7.25万 | 2014 | 51.9万 |
| 1985 | 1.21万 | 2000 | 8.19万 | 2015 | 55.2万 |
| 1986 | 1.32万 | 2001 | 9.11万 | 2016 | 60.4万 |
| 1987 | 1.43万 | 2002 | 10.2万 | 2017 | 67.1万 |
| 1988 | 1.6万 | 2003 | 11.2万 | 2018 | 70.8万 |
| 1989 | 1.8万 | 2004 | 12.8万 | 2019 | 73万 |
| 1990 | 2.27万 | 2005 | 14.8万 | 2020 | 71.4万 |
| 1991 | 2.6万 | 2006 | 17.7万 | 2021 | 79.5万 |
| 1992 | 2.93万 | 2007 | 21.3万 | 2022 | 108万 |
| 1993 | 3.41万 | 2008 | 26.1万 | 2023 | 124万 |
| 1994 | 3.92万 | 2009 | 28.4万 | 2024 | 136万 |
表を表示
| 1980 | 12.2万 | 1995 | 20.9万 | 2010 | 41.9万 |
| 1981 | 12.7万 | 1996 | 23.2万 | 2011 | 45.3万 |
| 1982 | 13.2万 | 1997 | 25.5万 | 2012 | 49.1万 |
| 1983 | 13.5万 | 1998 | 24.9万 | 2013 | 50.7万 |
| 1984 | 14.2万 | 1999 | 25.5万 | 2014 | 53.4万 |
| 1985 | 14.8万 | 2000 | 27.5万 | 2015 | 55.2万 |
| 1986 | 15.3万 | 2001 | 26.8万 | 2016 | 57.3万 |
| 1987 | 15.4万 | 2002 | 27.6万 | 2017 | 60.3万 |
| 1988 | 15.6万 | 2003 | 29万 | 2018 | 61.1万 |
| 1989 | 15.8万 | 2004 | 30.3万 | 2019 | 60.6万 |
| 1990 | 16.6万 | 2005 | 31.9万 | 2020 | 57.5万 |
| 1991 | 18.2万 | 2006 | 34.1万 | 2021 | 59.2万 |
| 1992 | 17.4万 | 2007 | 36.1万 | 2022 | 54.8万 |
| 1993 | 18.5万 | 2008 | 38万 | 2023 | 53.9万 |
| 1994 | 19.8万 | 2009 | 39.1万 | 2024 | 56.9万 |