| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.418 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.64 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.473 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.444 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.564 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.503 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.534 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.469 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.318 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.261 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.23 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.223 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.015 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.866 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.718 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.506 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.556 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.42 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.329 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.348 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.294 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.192 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.064 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.003 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.003 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.958 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.946 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.841 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.911 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.694 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.818 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.7 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.72 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.771 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.087 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.826 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.739 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.775 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.783 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.874 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.892 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.833 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.817 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.926 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.067 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.872 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.88 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.995 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.836 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.892 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.144 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.038 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.515 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.574 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.569 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.515 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.51 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.51 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.505 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.505 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.497 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.497 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.502 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.495 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.483 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.483 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.483 | 吨/公顷 | 2026-9 |