| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 529 | 千吨 | 2026-9 |
| 1985/1986 | 487 | 千吨 | 2026-9 |
| 1984/1985 | 517 | 千吨 | 2026-9 |
| 1983/1984 | 325 | 千吨 | 2026-9 |
| 1982/1983 | 414 | 千吨 | 2026-9 |
| 1981/1982 | 465 | 千吨 | 2026-9 |
| 1980/1981 | 424 | 千吨 | 2026-9 |
| 1979/1980 | 325 | 千吨 | 2026-9 |
| 1978/1979 | 367 | 千吨 | 2026-9 |
| 1977/1978 | 223 | 千吨 | 2026-9 |
| 1976/1977 | 367 | 千吨 | 2026-9 |
| 1975/1976 | 323 | 千吨 | 2026-9 |
| 1974/1975 | 93 | 千吨 | 2026-9 |
| 1973/1974 | 58 | 千吨 | 2026-9 |
| 1972/1973 | 151 | 千吨 | 2026-9 |
| 1971/1972 | 127 | 千吨 | 2026-9 |
| 1970/1971 | 88 | 千吨 | 2026-9 |
| 1969/1970 | 53 | 千吨 | 2026-9 |
| 1968/1969 | 68 | 千吨 | 2026-9 |
| 1967/1968 | 71 | 千吨 | 2026-9 |
| 1966/1967 | 78 | 千吨 | 2026-9 |
| 1965/1966 | 51 | 千吨 | 2026-9 |
| 1964/1965 | 46 | 千吨 | 2026-9 |