| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 375 | 千吨 | 2026-9 |
| 1989/1990 | 362 | 千吨 | 2026-9 |
| 1988/1989 | 341 | 千吨 | 2026-9 |
| 1987/1988 | 326 | 千吨 | 2026-9 |
| 1986/1987 | 309 | 千吨 | 2026-9 |
| 1985/1986 | 355 | 千吨 | 2026-9 |
| 1984/1985 | 325 | 千吨 | 2026-9 |
| 1983/1984 | 264 | 千吨 | 2026-9 |
| 1982/1983 | 377 | 千吨 | 2026-9 |
| 1981/1982 | 376 | 千吨 | 2026-9 |
| 1980/1981 | 364 | 千吨 | 2026-9 |
| 1979/1980 | 405 | 千吨 | 2026-9 |
| 1978/1979 | 409 | 千吨 | 2026-9 |
| 1977/1978 | 299 | 千吨 | 2026-9 |
| 1976/1977 | 300 | 千吨 | 2026-9 |
| 1975/1976 | 322 | 千吨 | 2026-9 |
| 1974/1975 | 314 | 千吨 | 2026-9 |
| 1973/1974 | 339 | 千吨 | 2026-9 |
| 1972/1973 | 195 | 千吨 | 2026-9 |
| 1971/1972 | 151 | 千吨 | 2026-9 |
| 1970/1971 | 175 | 千吨 | 2026-9 |
| 1969/1970 | 181 | 千吨 | 2026-9 |
| 1968/1969 | 114 | 千吨 | 2026-9 |
| 1967/1968 | 117 | 千吨 | 2026-9 |
| 1966/1967 | 115 | 千吨 | 2026-9 |
| 1965/1966 | 92 | 千吨 | 2026-9 |
| 1964/1965 | 78 | 千吨 | 2026-9 |