| 年度 | 数值 | 单位 | 发布时间 |
| 1986/1987 | 3850 | 千吨 | 2026-9 |
| 1985/1986 | 4050 | 千吨 | 2026-9 |
| 1984/1985 | 5400 | 千吨 | 2026-9 |
| 1983/1984 | 4750 | 千吨 | 2026-9 |
| 1982/1983 | 4400 | 千吨 | 2026-9 |
| 1981/1982 | 4300 | 千吨 | 2026-9 |
| 1980/1981 | 3330 | 千吨 | 2026-9 |
| 1979/1980 | 2900 | 千吨 | 2026-9 |
| 1978/1979 | 2855 | 千吨 | 2026-9 |
| 1977/1978 | 3484 | 千吨 | 2026-9 |
| 1976/1977 | 3184 | 千吨 | 2026-9 |
| 1975/1976 | 2566 | 千吨 | 2026-9 |
| 1974/1975 | 3223 | 千吨 | 2026-9 |
| 1973/1974 | 3758 | 千吨 | 2026-9 |
| 1972/1973 | 2636 | 千吨 | 2026-9 |
| 1971/1972 | 2369 | 千吨 | 2026-9 |
| 1970/1971 | 2863 | 千吨 | 2026-9 |
| 1969/1970 | 3296 | 千吨 | 2026-9 |
| 1968/1969 | 2481 | 千吨 | 2026-9 |
| 1967/1968 | 2322 | 千吨 | 2026-9 |
| 1966/1967 | 2263 | 千吨 | 2026-9 |
| 1965/1966 | 2351 | 千吨 | 2026-9 |
| 1964/1965 | 3124 | 千吨 | 2026-9 |
| 1963/1964 | 2122 | 千吨 | 2026-9 |
| 1962/1963 | 3199 | 千吨 | 2026-9 |
| 1961/1962 | 3423 | 千吨 | 2026-9 |
| 1960/1961 | 2312 | 千吨 | 2026-9 |