| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1988/1989 | 140 | 千吨 | 2026-9 |
| 1987/1988 | 225 | 千吨 | 2026-9 |
| 1986/1987 | 0 | 千吨 | 2026-9 |
| 1985/1986 | 367 | 千吨 | 2026-9 |
| 1984/1985 | 279 | 千吨 | 2026-9 |
| 1983/1984 | 234 | 千吨 | 2026-9 |
| 1982/1983 | 0 | 千吨 | 2026-9 |
| 1981/1982 | 0 | 千吨 | 2026-9 |
| 1980/1981 | 0 | 千吨 | 2026-9 |
| 1979/1980 | 260 | 千吨 | 2026-9 |
| 1978/1979 | 249 | 千吨 | 2026-9 |
| 1977/1978 | 300 | 千吨 | 2026-9 |
| 1976/1977 | 0 | 千吨 | 2026-9 |
| 1975/1976 | 0 | 千吨 | 2026-9 |
| 1974/1975 | 0 | 千吨 | 2026-9 |
| 1973/1974 | 198 | 千吨 | 2026-9 |
| 1972/1973 | 225 | 千吨 | 2026-9 |
| 1971/1972 | 252 | 千吨 | 2026-9 |
| 1970/1971 | 327 | 千吨 | 2026-9 |
| 1969/1970 | 338 | 千吨 | 2026-9 |
| 1968/1969 | 313 | 千吨 | 2026-9 |
| 1967/1968 | 362 | 千吨 | 2026-9 |
| 1966/1967 | 426 | 千吨 | 2026-9 |
| 1965/1966 | 314 | 千吨 | 2026-9 |
| 1964/1965 | 508 | 千吨 | 2026-9 |
| 1963/1964 | 510 | 千吨 | 2026-9 |
| 1962/1963 | 450 | 千吨 | 2026-9 |
| 1961/1962 | 409 | 千吨 | 2026-9 |
| 1960/1961 | 418 | 千吨 | 2026-9 |