| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.063 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.113 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.386 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.036 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.354 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.351 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.405 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.297 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.243 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.221 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.224 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.564 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.773 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.682 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.16 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.765 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.24 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.246 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.522 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.167 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.108 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.627 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.135 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.851 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.161 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.894 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.883 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.732 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.167 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.427 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.235 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.127 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.415 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.7 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.435 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.042 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.8 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.75 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.919 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.781 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.778 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.553 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.195 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.077 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.643 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.263 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.071 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.76 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.222 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.829 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.813 | 吨/公顷 | 2026-9 |
| 1973/1974 | 3.5 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.885 | 吨/公顷 | 2026-9 |
| 1971/1972 | 3.192 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.6 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.656 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.68 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.423 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.12 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.182 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.191 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.609 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.583 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.619 | 吨/公顷 | 2026-9 |