| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.271 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.402 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.295 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.789 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.32 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.824 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.806 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.499 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.733 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.901 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.511 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.284 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.827 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.898 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.286 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.186 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.261 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.364 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.753 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.97 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.214 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.269 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.766 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.235 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.614 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.961 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.243 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.975 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.878 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.184 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.987 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.857 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.119 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.909 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.755 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.968 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.493 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.464 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.787 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.017 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.608 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.251 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.345 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.712 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.506 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.43 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.272 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.439 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.482 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.415 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.131 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.843 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.113 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.229 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.315 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.22 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.135 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.981 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.675 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.173 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.919 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.65 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.927 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.688 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.096 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.518 | 吨/公顷 | 2026-9 |