| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.135 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.063 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.316 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.867 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.251 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.107 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.78 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.679 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.82 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.516 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.568 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.817 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.43 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.5 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.88 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.114 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.291 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.154 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.246 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.429 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.103 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.971 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.746 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.718 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.915 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.432 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.018 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.685 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.664 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.336 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.512 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.438 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.477 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.464 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.675 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.914 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.281 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.667 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.033 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.24 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.25 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.662 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.544 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.469 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.357 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.667 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.775 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.076 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.884 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.237 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.773 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.886 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.936 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.615 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.098 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.091 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.2 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.467 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.674 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.875 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.026 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.383 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.875 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.592 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.731 | 吨/公顷 | 2026-9 |