| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 3.478 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.71 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.187 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.205 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.255 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.06 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.431 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.033 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.675 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.064 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.98 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.943 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.915 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.893 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.731 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.505 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.352 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.748 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.678 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.369 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.217 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.234 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.536 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.133 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.34 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.421 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.084 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.15 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.086 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.359 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.129 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.233 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.078 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.052 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.042 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.086 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.344 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.056 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.94 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.998 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.996 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.921 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.93 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.9 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.773 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.647 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.568 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.575 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.965 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.64 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.737 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.527 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.785 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.809 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.617 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.63 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.414 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.477 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.433 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.333 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.229 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.251 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.109 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.112 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.173 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.172 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.223 | 吨/公顷 | 2026-9 |