| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 1050 | 千吨 | 2026-9 |
| 1990/1991 | 1500 | 千吨 | 2026-9 |
| 1989/1990 | 700 | 千吨 | 2026-9 |
| 1988/1989 | 930 | 千吨 | 2026-9 |
| 1987/1988 | 700 | 千吨 | 2026-9 |
| 1986/1987 | 700 | 千吨 | 2026-9 |
| 1985/1986 | 400 | 千吨 | 2026-9 |
| 1984/1985 | 800 | 千吨 | 2026-9 |
| 1983/1984 | 650 | 千吨 | 2026-9 |
| 1982/1983 | 860 | 千吨 | 2026-9 |
| 1981/1982 | 700 | 千吨 | 2026-9 |
| 1980/1981 | 400 | 千吨 | 2026-9 |
| 1979/1980 | 800 | 千吨 | 2026-9 |
| 1978/1979 | 900 | 千吨 | 2026-9 |
| 1977/1978 | 600 | 千吨 | 2026-9 |
| 1976/1977 | 750 | 千吨 | 2026-9 |
| 1975/1976 | 750 | 千吨 | 2026-9 |
| 1974/1975 | 700 | 千吨 | 2026-9 |
| 1973/1974 | 614 | 千吨 | 2026-9 |
| 1972/1973 | 250 | 千吨 | 2026-9 |
| 1971/1972 | 800 | 千吨 | 2026-9 |
| 1970/1971 | 150 | 千吨 | 2026-9 |
| 1969/1970 | 120 | 千吨 | 2026-9 |
| 1968/1969 | 170 | 千吨 | 2026-9 |
| 1967/1968 | 200 | 千吨 | 2026-9 |
| 1966/1967 | 240 | 千吨 | 2026-9 |
| 1965/1966 | 95 | 千吨 | 2026-9 |
| 1964/1965 | 438 | 千吨 | 2026-9 |
| 1963/1964 | 385 | 千吨 | 2026-9 |
| 1962/1963 | 274 | 千吨 | 2026-9 |
| 1961/1962 | 230 | 千吨 | 2026-9 |
| 1960/1961 | 275 | 千吨 | 2026-9 |