表を表示
| 1980 | 145 | 1996 | 244 | 2012 | 788 |
| 1981 | 166 | 1997 | 260 | 2013 | 803 |
| 1982 | 164 | 1998 | 253 | 2014 | 821 |
| 1983 | 175 | 1999 | 255 | 2015 | 876 |
| 1984 | 181 | 2000 | 266 | 2016 | 877 |
| 1985 | 184 | 2001 | 269 | 2017 | 1,034 |
| 1986 | 195 | 2002 | 269 | 2018 | 1,179 |
| 1987 | 198 | 2003 | 281 | 2019 | 1,203 |
| 1988 | 229 | 2004 | 319 | 2020 | 1,154 |
| 1989 | 227 | 2005 | 355 | 2021 | 1,253 |
| 1990 | 228 | 2006 | 388 | 2022 | 1,386 |
| 1991 | 243 | 2007 | 440 | 2023 | 1,382 |
| 1992 | 214 | 2008 | 530 | 2024 | 1,447 |
| 1993 | 224 | 2009 | 540 | 2025 | 1,512 |
| 1994 | 228 | 2010 | 668 | 2026 | 1,548 |
| 1995 | 242 | 2011 | 790 | | |
表を表示
| 1980 | 1,740 | 1996 | 1.34万 | 2012 | 6.39万 |
| 1981 | 1,989 | 1997 | 1.48万 | 2013 | 7.07万 |
| 1982 | 2,117 | 1998 | 1.56万 | 2014 | 8.07万 |
| 1983 | 2,413 | 1999 | 1.74万 | 2015 | 8.71万 |
| 1984 | 2,789 | 2000 | 1.89万 | 2016 | 9.33万 |
| 1985 | 3,264 | 2001 | 2.02万 | 2017 | 11万 |
| 1986 | 3,819 | 2002 | 2.07万 | 2018 | 12.3万 |
| 1987 | 4,285 | 2003 | 2.19万 | 2019 | 13.6万 |
| 1988 | 5,053 | 2004 | 2.35万 | 2020 | 13.4万 |
| 1989 | 5,736 | 2005 | 2.56万 | 2021 | 14.8万 |
| 1990 | 6,486 | 2006 | 2.81万 | 2022 | 16.7万 |
| 1991 | 7,566 | 2007 | 3.1万 | 2023 | 18.1万 |
| 1992 | 9,074 | 2008 | 3.45万 | 2024 | 19.3万 |
| 1993 | 1.02万 | 2009 | 4.15万 | 2025 | 20.6万 |
| 1994 | 1.12万 | 2010 | 4.98万 | 2026 | 22万 |
| 1995 | 1.21万 | 2011 | 5.68万 | | |
表を表示
| 1980 | 2.53万 | 1996 | 3.73万 | 2012 | 5.93万 |
| 1981 | 2.68万 | 1997 | 3.84万 | 2013 | 6.12万 |
| 1982 | 2.71万 | 1998 | 3.88万 | 2014 | 6.47万 |
| 1983 | 2.57万 | 1999 | 3.98万 | 2015 | 6.69万 |
| 1984 | 2.76万 | 2000 | 4.15万 | 2016 | 6.69万 |
| 1985 | 2.86万 | 2001 | 4.31万 | 2017 | 7.28万 |
| 1986 | 2.93万 | 2002 | 4.25万 | 2018 | 7.81万 |
| 1987 | 2.91万 | 2003 | 4.36万 | 2019 | 8.23万 |
| 1988 | 3.07万 | 2004 | 4.51万 | 2020 | 7.89万 |
| 1989 | 3.14万 | 2005 | 4.61万 | 2021 | 8.12万 |
| 1990 | 3.2万 | 2006 | 4.72万 | 2022 | 8.51万 |
| 1991 | 3.32万 | 2007 | 4.84万 | 2023 | 8.69万 |
| 1992 | 3.36万 | 2008 | 5.1万 | 2024 | 9.02万 |
| 1993 | 3.39万 | 2009 | 5.29万 | 2025 | 9.44万 |
| 1994 | 3.58万 | 2010 | 5.51万 | 2026 | 9.72万 |
| 1995 | 3.62万 | 2011 | 5.68万 | | |