| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.212 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.584 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.445 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.272 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.127 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.981 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.343 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.475 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.201 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.118 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.541 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.931 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.938 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.167 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.107 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.934 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.103 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.981 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.015 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.705 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.599 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.823 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.903 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.971 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.357 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.702 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.824 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.871 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.904 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.656 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.438 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.408 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.527 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.57 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.643 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.304 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.657 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.202 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.291 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.534 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.317 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.52 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.607 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.65 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.387 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.324 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.252 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.296 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.113 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.062 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.038 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.058 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.833 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.125 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.198 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.283 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.085 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.06 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.91 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.735 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.782 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.739 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.732 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.695 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.68 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.606 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.755 | 吨/公顷 | 2026-9 |