| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.218 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.366 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.388 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.375 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.333 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.999 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.762 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.301 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.306 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.235 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.204 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.543 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.661 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.368 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.255 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.009 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.761 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.656 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.586 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.405 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.954 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.662 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.308 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.93 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.97 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.64 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.562 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.644 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.653 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.25 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.723 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.32 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.469 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.73 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.3 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.722 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.006 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.742 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.552 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.879 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.695 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.955 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.989 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.889 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.906 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.087 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.026 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.42 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.461 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.309 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.208 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.098 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.556 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.557 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.745 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.739 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.205 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.116 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.063 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.065 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.102 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.474 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.579 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.591 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.253 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.146 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.338 | 吨/公顷 | 2026-9 |