| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.086 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.041 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.941 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.756 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.767 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.335 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.331 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.513 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.293 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.457 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.282 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.391 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.428 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.442 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.352 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.295 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.193 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.825 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.853 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.008 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.824 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.983 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.065 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.497 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.541 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.758 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.786 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.802 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.085 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.091 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.19 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.155 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.14 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.126 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.124 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.149 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.146 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.173 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.161 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.107 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.102 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.288 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.251 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.945 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.289 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.147 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.164 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.19 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.18 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.166 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.17 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.161 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.151 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.136 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.1 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.365 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.093 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.052 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.217 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.149 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.062 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.92 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.915 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.894 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.881 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.757 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.734 | 吨/公顷 | 2026-9 |