| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 250 | 千吨 | 2026-9 |
| 1990/1991 | 280 | 千吨 | 2026-9 |
| 1989/1990 | 279 | 千吨 | 2026-9 |
| 1988/1989 | 253 | 千吨 | 2026-9 |
| 1987/1988 | 232 | 千吨 | 2026-9 |
| 1986/1987 | 260 | 千吨 | 2026-9 |
| 1985/1986 | 252 | 千吨 | 2026-9 |
| 1984/1985 | 256 | 千吨 | 2026-9 |
| 1983/1984 | 248 | 千吨 | 2026-9 |
| 1982/1983 | 269 | 千吨 | 2026-9 |
| 1981/1982 | 311 | 千吨 | 2026-9 |
| 1980/1981 | 294 | 千吨 | 2026-9 |
| 1979/1980 | 283 | 千吨 | 2026-9 |
| 1978/1979 | 284 | 千吨 | 2026-9 |
| 1977/1978 | 309 | 千吨 | 2026-9 |
| 1976/1977 | 320 | 千吨 | 2026-9 |
| 1975/1976 | 368 | 千吨 | 2026-9 |
| 1974/1975 | 353 | 千吨 | 2026-9 |
| 1973/1974 | 298 | 千吨 | 2026-9 |
| 1972/1973 | 260 | 千吨 | 2026-9 |
| 1971/1972 | 312 | 千吨 | 2026-9 |
| 1970/1971 | 309 | 千吨 | 2026-9 |
| 1969/1970 | 308 | 千吨 | 2026-9 |
| 1968/1969 | 295 | 千吨 | 2026-9 |
| 1967/1968 | 363 | 千吨 | 2026-9 |
| 1966/1967 | 386 | 千吨 | 2026-9 |
| 1965/1966 | 338 | 千吨 | 2026-9 |
| 1964/1965 | 293 | 千吨 | 2026-9 |
| 1963/1964 | 345 | 千吨 | 2026-9 |
| 1962/1963 | 305 | 千吨 | 2026-9 |
| 1961/1962 | 432 | 千吨 | 2026-9 |
| 1960/1961 | 373 | 千吨 | 2026-9 |