| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 2.627 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.595 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.564 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.622 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.22 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.111 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.178 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.026 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.029 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.034 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.04 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.116 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.173 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.153 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.12 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.89 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.982 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.997 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.032 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.767 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.411 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.112 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.222 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.239 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.804 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.097 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.032 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.008 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.899 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.914 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.899 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.869 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.83 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.818 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.792 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.831 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.79 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.815 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.813 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.703 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.7 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.901 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.874 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.746 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.827 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.816 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.812 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.471 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.468 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.48 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.727 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.754 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.68 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.669 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.673 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.833 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.704 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.781 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.687 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.739 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.751 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.772 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.693 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.682 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.762 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.529 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.714 | 吨/公顷 | 2026-9 |