| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 7.241 | 吨/公顷 | 2026-9 |
| 2025/2026 | 7.208 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.155 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.137 | 吨/公顷 | 2026-9 |
| 2022/2023 | 7.08 | 吨/公顷 | 2026-9 |
| 2021/2022 | 7.114 | 吨/公顷 | 2026-9 |
| 2020/2021 | 7.044 | 吨/公顷 | 2026-9 |
| 2019/2020 | 7.06 | 吨/公顷 | 2026-9 |
| 2018/2019 | 7.027 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.917 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.866 | 吨/公顷 | 2026-9 |
| 2015/2016 | 6.891 | 吨/公顷 | 2026-9 |
| 2014/2015 | 6.813 | 吨/公顷 | 2026-9 |
| 2013/2014 | 6.717 | 吨/公顷 | 2026-9 |
| 2012/2013 | 6.777 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.687 | 吨/公顷 | 2026-9 |
| 2010/2011 | 6.553 | 吨/公顷 | 2026-9 |
| 2009/2010 | 6.585 | 吨/公顷 | 2026-9 |
| 2008/2009 | 6.563 | 吨/公顷 | 2026-9 |
| 2007/2008 | 6.433 | 吨/公顷 | 2026-9 |
| 2006/2007 | 6.279 | 吨/公顷 | 2026-9 |
| 2005/2006 | 6.26 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.311 | 吨/公顷 | 2026-9 |
| 2003/2004 | 6.061 | 吨/公顷 | 2026-9 |
| 2002/2003 | 6.19 | 吨/公顷 | 2026-9 |
| 2001/2002 | 6.163 | 吨/公顷 | 2026-9 |
| 2000/2001 | 6.272 | 吨/公顷 | 2026-9 |
| 1999/2000 | 6.345 | 吨/公顷 | 2026-9 |
| 1998/1999 | 6.366 | 吨/公顷 | 2026-9 |
| 1997/1998 | 6.318 | 吨/公顷 | 2026-9 |
| 1996/1997 | 6.212 | 吨/公顷 | 2026-9 |
| 1995/1996 | 6.024 | 吨/公顷 | 2026-9 |
| 1994/1995 | 5.831 | 吨/公顷 | 2026-9 |
| 1993/1994 | 5.853 | 吨/公顷 | 2026-9 |
| 1992/1993 | 5.803 | 吨/公顷 | 2026-9 |
| 1991/1992 | 5.64 | 吨/公顷 | 2026-9 |
| 1990/1991 | 5.726 | 吨/公顷 | 2026-9 |
| 1989/1990 | 5.509 | 吨/公顷 | 2026-9 |
| 1988/1989 | 5.299 | 吨/公顷 | 2026-9 |
| 1987/1988 | 5.41 | 吨/公顷 | 2026-9 |
| 1986/1987 | 5.338 | 吨/公顷 | 2026-9 |
| 1985/1986 | 5.256 | 吨/公顷 | 2026-9 |
| 1984/1985 | 5.373 | 吨/公顷 | 2026-9 |
| 1983/1984 | 5.096 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.889 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.324 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.13 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.311 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.978 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.619 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.474 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.514 | 吨/公顷 | 2026-9 |
| 1974/1975 | 3.489 | 吨/公顷 | 2026-9 |
| 1973/1974 | 3.469 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.226 | 吨/公顷 | 2026-9 |
| 1971/1972 | 3.299 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.399 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.124 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.162 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.078 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.125 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.941 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.803 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.662 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.338 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.041 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.896 | 吨/公顷 | 2026-9 |