| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 520 | 千公顷 | 2026-9 |
| 2025/2026 | 375 | 千公顷 | 2026-9 |
| 2024/2025 | 622 | 千公顷 | 2026-9 |
| 2023/2024 | 622 | 千公顷 | 2026-9 |
| 2022/2023 | 512 | 千公顷 | 2026-9 |
| 2021/2022 | 480 | 千公顷 | 2026-9 |
| 2020/2021 | 406 | 千公顷 | 2026-9 |
| 2019/2020 | 414 | 千公顷 | 2026-9 |
| 2018/2019 | 333 | 千公顷 | 2026-9 |
| 2017/2018 | 319 | 千公顷 | 2026-9 |
| 2016/2017 | 242 | 千公顷 | 2026-9 |
| 2015/2016 | 377 | 千公顷 | 2026-9 |
| 2014/2015 | 456 | 千公顷 | 2026-9 |
| 2013/2014 | 513 | 千公顷 | 2026-9 |
| 2012/2013 | 361 | 千公顷 | 2026-9 |
| 2011/2012 | 528 | 千公顷 | 2026-9 |
| 2010/2011 | 623 | 千公顷 | 2026-9 |
| 2009/2010 | 441 | 千公顷 | 2026-9 |
| 2008/2009 | 288 | 千公顷 | 2026-9 |
| 2007/2008 | 300 | 千公顷 | 2026-9 |
| 2006/2007 | 393 | 千公顷 | 2026-9 |
| 2005/2006 | 304 | 千公顷 | 2026-9 |
| 2004/2005 | 375 | 千公顷 | 2026-9 |
| 2003/2004 | 255 | 千公顷 | 2026-9 |
| 2002/2003 | 146 | 千公顷 | 2026-9 |
| 2001/2002 | 165 | 千公顷 | 2026-9 |
| 2000/2001 | 388 | 千公顷 | 2026-9 |
| 1999/2000 | 332 | 千公顷 | 2026-9 |
| 1998/1999 | 640 | 千公顷 | 2026-9 |
| 1997/1998 | 878 | 千公顷 | 2026-9 |
| 1996/1997 | 887 | 千公顷 | 2026-9 |
| 1995/1996 | 969 | 千公顷 | 2026-9 |
| 1994/1995 | 680 | 千公顷 | 2026-9 |
| 1993/1994 | 484 | 千公顷 | 2026-9 |
| 1992/1993 | 302 | 千公顷 | 2026-9 |
| 1991/1992 | 529 | 千公顷 | 2026-9 |
| 1990/1991 | 539 | 千公顷 | 2026-9 |
| 1989/1990 | 545 | 千公顷 | 2026-9 |
| 1988/1989 | 502 | 千公顷 | 2026-9 |
| 1987/1988 | 492 | 千公顷 | 2026-9 |
| 1986/1987 | 273 | 千公顷 | 2026-9 |
| 1985/1986 | 339 | 千公顷 | 2026-9 |
| 1984/1985 | 447 | 千公顷 | 2026-9 |
| 1983/1984 | 470 | 千公顷 | 2026-9 |
| 1982/1983 | 343 | 千公顷 | 2026-9 |
| 1981/1982 | 399 | 千公顷 | 2026-9 |
| 1980/1981 | 282 | 千公顷 | 2026-9 |
| 1979/1980 | 568 | 千公顷 | 2026-9 |
| 1978/1979 | 669 | 千公顷 | 2026-9 |
| 1977/1978 | 607 | 千公顷 | 2026-9 |
| 1976/1977 | 518 | 千公顷 | 2026-9 |
| 1975/1976 | 414 | 千公顷 | 2026-9 |
| 1974/1975 | 505 | 千公顷 | 2026-9 |
| 1973/1974 | 474 | 千公顷 | 2026-9 |
| 1972/1973 | 457 | 千公顷 | 2026-9 |
| 1971/1972 | 398 | 千公顷 | 2026-9 |
| 1970/1971 | 367 | 千公顷 | 2026-9 |
| 1969/1970 | 452 | 千公顷 | 2026-9 |