| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 398 | 千吨 | 2026-9 |
| 1989/1990 | 429 | 千吨 | 2026-9 |
| 1988/1989 | 314 | 千吨 | 2026-9 |
| 1987/1988 | 393 | 千吨 | 2026-9 |
| 1986/1987 | 484 | 千吨 | 2026-9 |
| 1985/1986 | 461 | 千吨 | 2026-9 |
| 1984/1985 | 418 | 千吨 | 2026-9 |
| 1983/1984 | 593 | 千吨 | 2026-9 |
| 1982/1983 | 590 | 千吨 | 2026-9 |
| 1981/1982 | 605 | 千吨 | 2026-9 |
| 1980/1981 | 576 | 千吨 | 2026-9 |
| 1979/1980 | 568 | 千吨 | 2026-9 |
| 1978/1979 | 442 | 千吨 | 2026-9 |
| 1977/1978 | 427 | 千吨 | 2026-9 |
| 1976/1977 | 332 | 千吨 | 2026-9 |
| 1975/1976 | 378 | 千吨 | 2026-9 |
| 1974/1975 | 322 | 千吨 | 2026-9 |
| 1973/1974 | 279 | 千吨 | 2026-9 |
| 1972/1973 | 151 | 千吨 | 2026-9 |
| 1971/1972 | 244 | 千吨 | 2026-9 |
| 1970/1971 | 223 | 千吨 | 2026-9 |
| 1969/1970 | 211 | 千吨 | 2026-9 |
| 1968/1969 | 184 | 千吨 | 2026-9 |
| 1967/1968 | 171 | 千吨 | 2026-9 |
| 1966/1967 | 155 | 千吨 | 2026-9 |
| 1965/1966 | 137 | 千吨 | 2026-9 |
| 1964/1965 | 155 | 千吨 | 2026-9 |