| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.325 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.325 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.179 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.542 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.293 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.391 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.511 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.288 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.2 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.111 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.044 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.168 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.152 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.136 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.095 | 吨/公顷 | 2026-9 |
| 2011/2012 | 0.926 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.979 | 吨/公顷 | 2026-9 |
| 2009/2010 | 0.747 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.781 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.75 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.91 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.92 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.136 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.136 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.06 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.085 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.075 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.9 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.029 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.079 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.157 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.175 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.17 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.202 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.13 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.158 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.111 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.259 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.095 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.192 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.191 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.137 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.042 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.091 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.079 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.015 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.809 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.542 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.517 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.395 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.422 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.344 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.386 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.323 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.275 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.63 | 吨/公顷 | 2026-9 |