| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 671 | 千吨 | 2026-9 |
| 1989/1990 | 668 | 千吨 | 2026-9 |
| 1988/1989 | 608 | 千吨 | 2026-9 |
| 1987/1988 | 588 | 千吨 | 2026-9 |
| 1986/1987 | 562 | 千吨 | 2026-9 |
| 1985/1986 | 498 | 千吨 | 2026-9 |
| 1984/1985 | 530 | 千吨 | 2026-9 |
| 1983/1984 | 565 | 千吨 | 2026-9 |
| 1982/1983 | 495 | 千吨 | 2026-9 |
| 1981/1982 | 520 | 千吨 | 2026-9 |
| 1980/1981 | 585 | 千吨 | 2026-9 |
| 1979/1980 | 636 | 千吨 | 2026-9 |
| 1978/1979 | 581 | 千吨 | 2026-9 |
| 1977/1978 | 509 | 千吨 | 2026-9 |
| 1976/1977 | 371 | 千吨 | 2026-9 |
| 1975/1976 | 329 | 千吨 | 2026-9 |
| 1974/1975 | 304 | 千吨 | 2026-9 |
| 1973/1974 | 360 | 千吨 | 2026-9 |
| 1972/1973 | 274 | 千吨 | 2026-9 |
| 1971/1972 | 277 | 千吨 | 2026-9 |
| 1970/1971 | 228 | 千吨 | 2026-9 |
| 1969/1970 | 239 | 千吨 | 2026-9 |
| 1968/1969 | 194 | 千吨 | 2026-9 |
| 1967/1968 | 123 | 千吨 | 2026-9 |
| 1966/1967 | 96 | 千吨 | 2026-9 |
| 1965/1966 | 90 | 千吨 | 2026-9 |
| 1964/1965 | 104 | 千吨 | 2026-9 |