| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.085 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.129 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.268 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.118 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.92 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.996 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.868 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.806 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.851 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.973 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.779 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.726 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.824 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.796 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.714 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.833 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.553 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.657 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.451 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.716 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.519 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.586 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.373 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.388 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.262 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.325 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.491 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.17 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.238 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.053 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.018 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.081 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.894 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.947 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.991 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.841 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.839 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.865 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.734 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.56 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.891 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.581 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.485 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.678 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.565 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.643 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.568 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.488 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.316 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.431 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.422 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.32 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.276 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.306 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.188 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.083 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.171 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.074 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.073 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.811 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.76 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.863 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.829 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.83 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.818 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.822 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.801 | 吨/公顷 | 2026-9 |