| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.203 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.203 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.203 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.203 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.203 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.417 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.318 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.317 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.509 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.682 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.219 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.283 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.268 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.307 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.254 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.185 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.015 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.094 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.426 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.354 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.346 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.21 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.411 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.161 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.237 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.254 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.117 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.068 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.93 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.841 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.911 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.805 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.949 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.871 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.87 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.353 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.083 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.667 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.643 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.692 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.818 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.917 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.833 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.833 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.65 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.667 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.154 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.154 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.083 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.167 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.143 | 吨/公顷 | 2026-9 |