| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 50000 | 吨 | 2026-9 |
| 1990/1991 | 46000 | 吨 | 2026-9 |
| 1989/1990 | 44000 | 吨 | 2026-9 |
| 1988/1989 | 18000 | 吨 | 2026-9 |
| 1987/1988 | 37000 | 吨 | 2026-9 |
| 1986/1987 | 33000 | 吨 | 2026-9 |
| 1985/1986 | 36000 | 吨 | 2026-9 |
| 1984/1985 | 34000 | 吨 | 2026-9 |
| 1983/1984 | 20000 | 吨 | 2026-9 |
| 1982/1983 | 21000 | 吨 | 2026-9 |
| 1980/1981 | 19000 | 吨 | 2026-9 |
| 1979/1980 | 23000 | 吨 | 2026-9 |
| 1978/1979 | 22000 | 吨 | 2026-9 |
| 1977/1978 | 0 | 吨 | 2026-9 |
| 1976/1977 | 0 | 吨 | 2026-9 |
| 1975/1976 | 0 | 吨 | 2026-9 |
| 1974/1975 | 0 | 吨 | 2026-9 |
| 1973/1974 | 0 | 吨 | 2026-9 |
| 1972/1973 | 0 | 吨 | 2026-9 |
| 1971/1972 | 0 | 吨 | 2026-9 |
| 1970/1971 | 0 | 吨 | 2026-9 |
| 1969/1970 | 0 | 吨 | 2026-9 |
| 1968/1969 | 0 | 吨 | 2026-9 |
| 1967/1968 | 0 | 吨 | 2026-9 |
| 1966/1967 | 0 | 吨 | 2026-9 |