| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 775 | 千吨 | 2026-9 |
| 1989/1990 | 825 | 千吨 | 2026-9 |
| 1988/1989 | 729 | 千吨 | 2026-9 |
| 1987/1988 | 728 | 千吨 | 2026-9 |
| 1986/1987 | 757 | 千吨 | 2026-9 |
| 1985/1986 | 810 | 千吨 | 2026-9 |
| 1984/1985 | 860 | 千吨 | 2026-9 |
| 1983/1984 | 802 | 千吨 | 2026-9 |
| 1982/1983 | 660 | 千吨 | 2026-9 |
| 1981/1982 | 680 | 千吨 | 2026-9 |
| 1980/1981 | 568 | 千吨 | 2026-9 |
| 1979/1980 | 596 | 千吨 | 2026-9 |
| 1978/1979 | 471 | 千吨 | 2026-9 |
| 1977/1978 | 532 | 千吨 | 2026-9 |
| 1976/1977 | 471 | 千吨 | 2026-9 |
| 1975/1976 | 375 | 千吨 | 2026-9 |
| 1974/1975 | 383 | 千吨 | 2026-9 |
| 1973/1974 | 388 | 千吨 | 2026-9 |
| 1972/1973 | 366 | 千吨 | 2026-9 |
| 1971/1972 | 414 | 千吨 | 2026-9 |
| 1970/1971 | 341 | 千吨 | 2026-9 |
| 1969/1970 | 346 | 千吨 | 2026-9 |
| 1968/1969 | 230 | 千吨 | 2026-9 |
| 1967/1968 | 171 | 千吨 | 2026-9 |
| 1966/1967 | 158 | 千吨 | 2026-9 |
| 1965/1966 | 145 | 千吨 | 2026-9 |
| 1964/1965 | 114 | 千吨 | 2026-9 |