| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 2068 | 千吨 | 2026-9 |
| 1989/1990 | 1888 | 千吨 | 2026-9 |
| 1988/1989 | 2374 | 千吨 | 2026-9 |
| 1987/1988 | 2669 | 千吨 | 2026-9 |
| 1986/1987 | 1128 | 千吨 | 2026-9 |
| 1985/1986 | 1410 | 千吨 | 2026-9 |
| 1984/1985 | 1447 | 千吨 | 2026-9 |
| 1983/1984 | 1065 | 千吨 | 2026-9 |
| 1982/1983 | 1195 | 千吨 | 2026-9 |
| 1981/1982 | 1032 | 千吨 | 2026-9 |
| 1980/1981 | 1159 | 千吨 | 2026-9 |
| 1979/1980 | 610 | 千吨 | 2026-9 |
| 1978/1979 | 634 | 千吨 | 2026-9 |
| 1977/1978 | 457 | 千吨 | 2026-9 |
| 1976/1977 | 574 | 千吨 | 2026-9 |
| 1975/1976 | 507 | 千吨 | 2026-9 |
| 1974/1975 | 692 | 千吨 | 2026-9 |
| 1973/1974 | 667 | 千吨 | 2026-9 |
| 1972/1973 | 785 | 千吨 | 2026-9 |
| 1971/1972 | 900 | 千吨 | 2026-9 |
| 1970/1971 | 685 | 千吨 | 2026-9 |
| 1969/1970 | 538 | 千吨 | 2026-9 |
| 1968/1969 | 492 | 千吨 | 2026-9 |
| 1967/1968 | 429 | 千吨 | 2026-9 |
| 1966/1967 | 322 | 千吨 | 2026-9 |
| 1965/1966 | 346 | 千吨 | 2026-9 |
| 1964/1965 | 251 | 千吨 | 2026-9 |