| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 3724 | 千吨 | 2026-9 |
| 1989/1990 | 3806 | 千吨 | 2026-9 |
| 1988/1989 | 3481 | 千吨 | 2026-9 |
| 1987/1988 | 3450 | 千吨 | 2026-9 |
| 1986/1987 | 3446 | 千吨 | 2026-9 |
| 1985/1986 | 3454 | 千吨 | 2026-9 |
| 1984/1985 | 3688 | 千吨 | 2026-9 |
| 1983/1984 | 3559 | 千吨 | 2026-9 |
| 1982/1983 | 3620 | 千吨 | 2026-9 |
| 1981/1982 | 3487 | 千吨 | 2026-9 |
| 1980/1981 | 3491 | 千吨 | 2026-9 |
| 1979/1980 | 3875 | 千吨 | 2026-9 |
| 1978/1979 | 3126 | 千吨 | 2026-9 |
| 1977/1978 | 2774 | 千吨 | 2026-9 |
| 1976/1977 | 2011 | 千吨 | 2026-9 |
| 1975/1976 | 2084 | 千吨 | 2026-9 |
| 1974/1975 | 1759 | 千吨 | 2026-9 |
| 1973/1974 | 1979 | 千吨 | 2026-9 |
| 1972/1973 | 1474 | 千吨 | 2026-9 |
| 1971/1972 | 1685 | 千吨 | 2026-9 |
| 1970/1971 | 1520 | 千吨 | 2026-9 |
| 1969/1970 | 1397 | 千吨 | 2026-9 |
| 1968/1969 | 948 | 千吨 | 2026-9 |
| 1967/1968 | 776 | 千吨 | 2026-9 |
| 1966/1967 | 626 | 千吨 | 2026-9 |
| 1965/1966 | 534 | 千吨 | 2026-9 |
| 1964/1965 | 499 | 千吨 | 2026-9 |