| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 1.827 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.832 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.835 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.835 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.834 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.81 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.935 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.931 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.931 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.159 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.153 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.114 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.089 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.084 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.035 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.989 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.99 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.981 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.012 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.323 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.582 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.47 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.746 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.73 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.71 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.719 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.743 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.703 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.383 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.423 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.636 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.622 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.536 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.615 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.665 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.551 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.621 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.611 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.608 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.623 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.592 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.584 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.561 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.515 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.3 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.338 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.358 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.628 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.597 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.216 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.247 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.008 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.809 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.817 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.823 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.024 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.035 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.965 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.997 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.871 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.901 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.956 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.921 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.856 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.875 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.826 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.775 | 吨/公顷 | 2026-9 |