| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 2.826 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.773 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.439 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.857 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.985 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.221 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.948 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.561 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.222 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.076 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.541 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.608 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.983 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.299 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.855 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.059 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.034 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.434 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.938 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.549 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.234 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.046 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.777 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.611 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.946 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.251 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.51 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.909 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.172 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.21 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.133 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.495 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.016 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.175 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.628 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.114 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.109 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.114 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.047 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.681 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.933 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.086 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.817 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.714 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.78 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.777 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.895 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.921 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.531 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.462 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.785 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.665 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.02 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.156 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.795 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.762 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.438 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.29 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.089 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.279 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.052 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.157 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.197 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.076 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.936 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.026 | 吨/公顷 | 2026-9 |