| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.753 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.906 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.143 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.951 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.564 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.202 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.34 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.28 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.738 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.798 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.82 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.755 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.696 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.639 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.532 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.35 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.733 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.42 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.271 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.697 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.456 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.034 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.051 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.276 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.022 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.174 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.177 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.684 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.067 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.2 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.088 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.039 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.625 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.6 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.64 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.931 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.663 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.667 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.9 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.828 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.158 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.59 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.836 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.788 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.886 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.878 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.773 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.909 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.897 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.09 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.056 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.014 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.218 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.356 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.314 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.413 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.182 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.152 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.313 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.214 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.143 | 吨/公顷 | 2026-9 |