| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 488 | 千吨 | 2026-9 |
| 1985/1986 | 363 | 千吨 | 2026-9 |
| 1984/1985 | 127 | 千吨 | 2026-9 |
| 1983/1984 | 150 | 千吨 | 2026-9 |
| 1982/1983 | 323 | 千吨 | 2026-9 |
| 1981/1982 | 859 | 千吨 | 2026-9 |
| 1980/1981 | 1283 | 千吨 | 2026-9 |
| 1979/1980 | 694 | 千吨 | 2026-9 |
| 1978/1979 | 631 | 千吨 | 2026-9 |
| 1977/1978 | 414 | 千吨 | 2026-9 |
| 1976/1977 | 460 | 千吨 | 2026-9 |
| 1975/1976 | 324 | 千吨 | 2026-9 |
| 1974/1975 | 279 | 千吨 | 2026-9 |
| 1973/1974 | 194 | 千吨 | 2026-9 |
| 1972/1973 | 154 | 千吨 | 2026-9 |
| 1971/1972 | 280 | 千吨 | 2026-9 |
| 1970/1971 | 332 | 千吨 | 2026-9 |
| 1969/1970 | 323 | 千吨 | 2026-9 |
| 1968/1969 | 327 | 千吨 | 2026-9 |
| 1967/1968 | 260 | 千吨 | 2026-9 |
| 1966/1967 | 397 | 千吨 | 2026-9 |
| 1965/1966 | 275 | 千吨 | 2026-9 |
| 1964/1965 | 238 | 千吨 | 2026-9 |
| 1963/1964 | 363 | 千吨 | 2026-9 |
| 1962/1963 | 194 | 千吨 | 2026-9 |
| 1961/1962 | 338 | 千吨 | 2026-9 |
| 1960/1961 | 20 | 千吨 | 2026-9 |