| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 4 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.189 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.054 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.103 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.947 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.051 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.063 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.74 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.498 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.5 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.076 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.668 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.598 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.656 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.449 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.178 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.816 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.927 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.844 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.849 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.635 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.664 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.643 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.507 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.294 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.067 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.038 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.871 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.6 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.667 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.661 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.655 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.546 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.643 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.631 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.53 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.55 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.468 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.376 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.368 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.436 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.434 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.434 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.469 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.45 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.415 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.391 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.44 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.318 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.388 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.214 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.361 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.224 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.301 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.134 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.15 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.083 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.076 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.005 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.002 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.254 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.135 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.082 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.066 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.211 | 吨/公顷 | 2026-9 |