表を表示
| 1980 | 940 | 1996 | 1,603 | 2012 | 1,978 |
| 1981 | 963 | 1997 | 1,608 | 2013 | 2,090 |
| 1982 | 927 | 1998 | 1,361 | 2014 | 2,116 |
| 1983 | 843 | 1999 | 1,414 | 2015 | 2,021 |
| 1984 | 819 | 2000 | 1,175 | 2016 | 2,081 |
| 1985 | 724 | 2001 | 1,109 | 2017 | 2,165 |
| 1986 | 627 | 2002 | 908 | 2018 | 2,325 |
| 1987 | 641 | 2003 | 896 | 2019 | 2,278 |
| 1988 | 709 | 2004 | 974 | 2020 | 2,119 |
| 1989 | 675 | 2005 | 1,118 | 2021 | 2,107 |
| 1990 | 811 | 2006 | 1,213 | 2022 | 1,945 |
| 1991 | 831 | 2007 | 1,329 | 2023 | 1,959 |
| 1992 | 951 | 2008 | 1,445 | 2024 | 2,022 |
| 1993 | 1,031 | 2009 | 1,461 | 2025 | 2,135 |
| 1994 | 1,340 | 2010 | 1,583 | 2026 | 2,258 |
| 1995 | 1,517 | 2011 | 1,824 | | |
表を表示
| 1980 | 780 | 1996 | 5,718 | 2012 | 1.45万 |
| 1981 | 838 | 1997 | 5,978 | 2013 | 1.53万 |
| 1982 | 901 | 1998 | 6,552 | 2014 | 1.56万 |
| 1983 | 969 | 1999 | 6,839 | 2015 | 1.6万 |
| 1984 | 1,043 | 2000 | 5,980 | 2016 | 1.65万 |
| 1985 | 1,072 | 2001 | 5,853 | 2017 | 1.71万 |
| 1986 | 1,092 | 2002 | 6,131 | 2018 | 1.85万 |
| 1987 | 1,283 | 2003 | 6,727 | 2019 | 1.86万 |
| 1988 | 1,476 | 2004 | 7,293 | 2020 | 1.74万 |
| 1989 | 1,549 | 2005 | 8,418 | 2021 | 1.69万 |
| 1990 | 2,051 | 2006 | 9,232 | 2022 | 1.59万 |
| 1991 | 2,256 | 2007 | 1.02万 | 2023 | 1.64万 |
| 1992 | 2,786 | 2008 | 1.12万 | 2024 | 1.71万 |
| 1993 | 3,287 | 2009 | 1.18万 | 2025 | 1.78万 |
| 1994 | 4,411 | 2010 | 1.28万 | 2026 | 1.88万 |
| 1995 | 5,165 | 2011 | 1.39万 | | |
表を表示
| 1980 | 1.65万 | 1996 | 1.72万 | 2012 | 1.45万 |
| 1981 | 1.57万 | 1997 | 1.66万 | 2013 | 1.49万 |
| 1982 | 1.49万 | 1998 | 1.63万 | 2014 | 1.47万 |
| 1983 | 1.5万 | 1999 | 1.58万 | 2015 | 1.46万 |
| 1984 | 1.45万 | 2000 | 1.31万 | 2016 | 1.5万 |
| 1985 | 1.37万 | 2001 | 1.17万 | 2017 | 1.51万 |
| 1986 | 1.32万 | 2002 | 1.1万 | 2018 | 1.52万 |
| 1987 | 1.4万 | 2003 | 1.14万 | 2019 | 1.51万 |
| 1988 | 1.37万 | 2004 | 1.19万 | 2020 | 1.43万 |
| 1989 | 1.39万 | 2005 | 1.24万 | 2021 | 1.4万 |
| 1990 | 1.38万 | 2006 | 1.25万 | 2022 | 1.34万 |
| 1991 | 1.41万 | 2007 | 1.26万 | 2023 | 1.35万 |
| 1992 | 1.54万 | 2008 | 1.31万 | 2024 | 1.36万 |
| 1993 | 1.55万 | 2009 | 1.31万 | 2025 | 1.37万 |
| 1994 | 1.63万 | 2010 | 1.4万 | 2026 | 1.39万 |
| 1995 | 1.74万 | 2011 | 1.46万 | | |