| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1991/1992 | 775 | 千吨 | 2026-9 |
| 1990/1991 | 645 | 千吨 | 2026-9 |
| 1989/1990 | 950 | 千吨 | 2026-9 |
| 1988/1989 | 1175 | 千吨 | 2026-9 |
| 1987/1988 | 1000 | 千吨 | 2026-9 |
| 1986/1987 | 1100 | 千吨 | 2026-9 |
| 1985/1986 | 1100 | 千吨 | 2026-9 |
| 1984/1985 | 1000 | 千吨 | 2026-9 |
| 1983/1984 | 900 | 千吨 | 2026-9 |
| 1982/1983 | 1540 | 千吨 | 2026-9 |
| 1981/1982 | 1840 | 千吨 | 2026-9 |
| 1980/1981 | 877 | 千吨 | 2026-9 |
| 1979/1980 | 2080 | 千吨 | 2026-9 |
| 1978/1979 | 1700 | 千吨 | 2026-9 |
| 1977/1978 | 1382 | 千吨 | 2026-9 |
| 1976/1977 | 985 | 千吨 | 2026-9 |
| 1975/1976 | 1148 | 千吨 | 2026-9 |
| 1974/1975 | 792 | 千吨 | 2026-9 |
| 1973/1974 | 886 | 千吨 | 2026-9 |
| 1972/1973 | 1026 | 千吨 | 2026-9 |
| 1971/1972 | 766 | 千吨 | 2026-9 |
| 1970/1971 | 934 | 千吨 | 2026-9 |
| 1969/1970 | 555 | 千吨 | 2026-9 |
| 1968/1969 | 579 | 千吨 | 2026-9 |
| 1967/1968 | 492 | 千吨 | 2026-9 |
| 1966/1967 | 414 | 千吨 | 2026-9 |
| 1965/1966 | 496 | 千吨 | 2026-9 |
| 1964/1965 | 539 | 千吨 | 2026-9 |
| 1963/1964 | 810 | 千吨 | 2026-9 |
| 1962/1963 | 713 | 千吨 | 2026-9 |
| 1961/1962 | 511 | 千吨 | 2026-9 |
| 1960/1961 | 673 | 千吨 | 2026-9 |