| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.18 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.18 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.18 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.18 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.874 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.734 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.009 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.895 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.333 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.949 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.273 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.241 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.002 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.273 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.916 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.319 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.245 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.997 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.892 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.941 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.891 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.322 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.758 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.546 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.622 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.257 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.789 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.072 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.382 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.623 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.248 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.248 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.382 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.657 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.382 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.865 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.348 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.927 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.785 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.986 | 吨/公顷 | 2026-9 |
| 1986/1987 | 5.363 | 吨/公顷 | 2026-9 |
| 1985/1986 | 4.817 | 吨/公顷 | 2026-9 |
| 1984/1985 | 5 | 吨/公顷 | 2026-9 |
| 1983/1984 | 4.705 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.619 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.389 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.814 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.413 | 吨/公顷 | 2026-9 |
| 1978/1979 | 4.263 | 吨/公顷 | 2026-9 |
| 1977/1978 | 4.413 | 吨/公顷 | 2026-9 |
| 1976/1977 | 4.113 | 吨/公顷 | 2026-9 |
| 1975/1976 | 4.056 | 吨/公顷 | 2026-9 |
| 1974/1975 | 3.906 | 吨/公顷 | 2026-9 |
| 1973/1974 | 3.775 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.384 | 吨/公顷 | 2026-9 |
| 1971/1972 | 3.554 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.463 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.544 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.942 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.092 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.385 | 吨/公顷 | 2026-9 |
| 1965/1966 | 3.083 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.584 | 吨/公顷 | 2026-9 |
| 1963/1964 | 3.476 | 吨/公顷 | 2026-9 |
| 1962/1963 | 3.241 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.21 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.074 | 吨/公顷 | 2026-9 |