| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 600 | 千吨 | 2026-9 |
| 1990/1991 | 485 | 千吨 | 2026-9 |
| 1989/1990 | 398 | 千吨 | 2026-9 |
| 1988/1989 | 1020 | 千吨 | 2026-9 |
| 1987/1988 | 793 | 千吨 | 2026-9 |
| 1986/1987 | 601 | 千吨 | 2026-9 |
| 1985/1986 | 524 | 千吨 | 2026-9 |
| 1984/1985 | 582 | 千吨 | 2026-9 |
| 1983/1984 | 587 | 千吨 | 2026-9 |
| 1982/1983 | 610 | 千吨 | 2026-9 |
| 1981/1982 | 766 | 千吨 | 2026-9 |
| 1980/1981 | 946 | 千吨 | 2026-9 |
| 1979/1980 | 505 | 千吨 | 2026-9 |
| 1978/1979 | 488 | 千吨 | 2026-9 |
| 1977/1978 | 1110 | 千吨 | 2026-9 |
| 1976/1977 | 1055 | 千吨 | 2026-9 |
| 1975/1976 | 428 | 千吨 | 2026-9 |
| 1974/1975 | 1204 | 千吨 | 2026-9 |
| 1973/1974 | 316 | 千吨 | 2026-9 |
| 1972/1973 | 537 | 千吨 | 2026-9 |
| 1971/1972 | 438 | 千吨 | 2026-9 |
| 1970/1971 | 287 | 千吨 | 2026-9 |
| 1969/1970 | 745 | 千吨 | 2026-9 |
| 1968/1969 | 593 | 千吨 | 2026-9 |
| 1967/1968 | 961 | 千吨 | 2026-9 |
| 1966/1967 | 612 | 千吨 | 2026-9 |
| 1965/1966 | 538 | 千吨 | 2026-9 |
| 1964/1965 | 366 | 千吨 | 2026-9 |
| 1963/1964 | 500 | 千吨 | 2026-9 |
| 1962/1963 | 694 | 千吨 | 2026-9 |
| 1961/1962 | 764 | 千吨 | 2026-9 |
| 1960/1961 | 933 | 千吨 | 2026-9 |