| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 13.455 | 吨/公顷 | 2026-9 |
| 2025/2026 | 12.951 | 吨/公顷 | 2026-9 |
| 2024/2025 | 12.143 | 吨/公顷 | 2026-9 |
| 2023/2024 | 12.923 | 吨/公顷 | 2026-9 |
| 2022/2023 | 12.83 | 吨/公顷 | 2026-9 |
| 2021/2022 | 12.037 | 吨/公顷 | 2026-9 |
| 2020/2021 | 11.452 | 吨/公顷 | 2026-9 |
| 2019/2020 | 11.539 | 吨/公顷 | 2026-9 |
| 2018/2019 | 10.755 | 吨/公顷 | 2026-9 |
| 2017/2018 | 10 | 吨/公顷 | 2026-9 |
| 2016/2017 | 9.649 | 吨/公顷 | 2026-9 |
| 2015/2016 | 10 | 吨/公顷 | 2026-9 |
| 2014/2015 | 8.727 | 吨/公顷 | 2026-9 |
| 2013/2014 | 8.793 | 吨/公顷 | 2026-9 |
| 2012/2013 | 8.381 | 吨/公顷 | 2026-9 |
| 2011/2012 | 8 | 吨/公顷 | 2026-9 |
| 2010/2011 | 7.347 | 吨/公顷 | 2026-9 |
| 2009/2010 | 8 | 吨/公顷 | 2026-9 |
| 2008/2009 | 7.981 | 吨/公顷 | 2026-9 |
| 2007/2008 | 6.444 | 吨/公顷 | 2026-9 |
| 2006/2007 | 6.588 | 吨/公顷 | 2026-9 |
| 2005/2006 | 6.727 | 吨/公顷 | 2026-9 |
| 2004/2005 | 5.505 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.762 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.818 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.81 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.818 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.81 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.833 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.5 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.636 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.495 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.542 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.968 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.56 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.548 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.443 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.167 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.793 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.068 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.966 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.158 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.727 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.691 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.345 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.069 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.127 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.308 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.241 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.181 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.183 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.936 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.664 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.669 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.787 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.605 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.518 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.527 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.6 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.527 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.231 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.471 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.478 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.199 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.418 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.079 | 吨/公顷 | 2026-9 |