| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.23 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.173 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.107 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.912 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.992 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.969 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.072 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.011 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.011 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.029 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.029 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.013 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.025 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.913 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.788 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.852 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.759 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.709 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.58 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.491 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.304 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.356 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.339 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.366 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.271 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.227 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.262 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.008 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.013 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.008 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.035 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.091 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.068 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.04 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.818 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.769 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.05 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.91 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.722 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.696 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.813 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.009 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.505 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.744 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.598 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.486 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.958 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.86 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.588 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.646 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.733 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.664 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.827 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.663 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.435 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.548 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.408 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.331 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.262 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.203 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.232 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.217 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.073 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.156 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.086 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.207 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.182 | 吨/公顷 | 2026-9 |