| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1991/1992 | 166 | 千公顷 | 2026-9 |
| 1990/1991 | 135 | 千公顷 | 2026-9 |
| 1989/1990 | 190 | 千公顷 | 2026-9 |
| 1988/1989 | 188 | 千公顷 | 2026-9 |
| 1987/1988 | 206 | 千公顷 | 2026-9 |
| 1986/1987 | 210 | 千公顷 | 2026-9 |
| 1985/1986 | 205 | 千公顷 | 2026-9 |
| 1984/1985 | 195 | 千公顷 | 2026-9 |
| 1983/1984 | 162 | 千公顷 | 2026-9 |
| 1982/1983 | 176 | 千公顷 | 2026-9 |
| 1981/1982 | 169 | 千公顷 | 2026-9 |
| 1980/1981 | 159 | 千公顷 | 2026-9 |
| 1979/1980 | 206 | 千公顷 | 2026-9 |
| 1978/1979 | 202 | 千公顷 | 2026-9 |
| 1977/1978 | 203 | 千公顷 | 2026-9 |
| 1976/1977 | 204 | 千公顷 | 2026-9 |
| 1975/1976 | 158 | 千公顷 | 2026-9 |
| 1974/1975 | 167 | 千公顷 | 2026-9 |
| 1973/1974 | 169 | 千公顷 | 2026-9 |
| 1972/1973 | 148 | 千公顷 | 2026-9 |
| 1971/1972 | 142 | 千公顷 | 2026-9 |
| 1970/1971 | 128 | 千公顷 | 2026-9 |
| 1969/1970 | 127 | 千公顷 | 2026-9 |
| 1968/1969 | 138 | 千公顷 | 2026-9 |
| 1967/1968 | 150 | 千公顷 | 2026-9 |
| 1966/1967 | 151 | 千公顷 | 2026-9 |
| 1965/1966 | 161 | 千公顷 | 2026-9 |
| 1964/1965 | 186 | 千公顷 | 2026-9 |
| 1963/1964 | 213 | 千公顷 | 2026-9 |
| 1962/1963 | 237 | 千公顷 | 2026-9 |
| 1961/1962 | 201 | 千公顷 | 2026-9 |
| 1960/1961 | 195 | 千公顷 | 2026-9 |