| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 141 | 千吨 | 2026-9 |
| 1989/1990 | 219 | 千吨 | 2026-9 |
| 1988/1989 | 203 | 千吨 | 2026-9 |
| 1987/1988 | 335 | 千吨 | 2026-9 |
| 1986/1987 | 461 | 千吨 | 2026-9 |
| 1985/1986 | 430 | 千吨 | 2026-9 |
| 1984/1985 | 456 | 千吨 | 2026-9 |
| 1983/1984 | 497 | 千吨 | 2026-9 |
| 1982/1983 | 725 | 千吨 | 2026-9 |
| 1981/1982 | 656 | 千吨 | 2026-9 |
| 1980/1981 | 434 | 千吨 | 2026-9 |
| 1979/1980 | 733 | 千吨 | 2026-9 |
| 1978/1979 | 711 | 千吨 | 2026-9 |
| 1977/1978 | 569 | 千吨 | 2026-9 |
| 1976/1977 | 450 | 千吨 | 2026-9 |
| 1975/1976 | 420 | 千吨 | 2026-9 |
| 1974/1975 | 344 | 千吨 | 2026-9 |
| 1973/1974 | 454 | 千吨 | 2026-9 |
| 1972/1973 | 410 | 千吨 | 2026-9 |
| 1971/1972 | 387 | 千吨 | 2026-9 |
| 1970/1971 | 389 | 千吨 | 2026-9 |
| 1969/1970 | 338 | 千吨 | 2026-9 |
| 1968/1969 | 35 | 千吨 | 2026-9 |
| 1967/1968 | 40 | 千吨 | 2026-9 |
| 1966/1967 | 103 | 千吨 | 2026-9 |
| 1965/1966 | 94 | 千吨 | 2026-9 |
| 1964/1965 | 87 | 千吨 | 2026-9 |