| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 5548 | 千吨 | 2026-9 |
| 1990/1991 | 5941 | 千吨 | 2026-9 |
| 1989/1990 | 6394 | 千吨 | 2026-9 |
| 1988/1989 | 6009 | 千吨 | 2026-9 |
| 1987/1988 | 5891 | 千吨 | 2026-9 |
| 1986/1987 | 5235 | 千吨 | 2026-9 |
| 1985/1986 | 5836 | 千吨 | 2026-9 |
| 1984/1985 | 5630 | 千吨 | 2026-9 |
| 1983/1984 | 5468 | 千吨 | 2026-9 |
| 1982/1983 | 4867 | 千吨 | 2026-9 |
| 1981/1982 | 4927 | 千吨 | 2026-9 |
| 1980/1981 | 5636 | 千吨 | 2026-9 |
| 1979/1980 | 4253 | 千吨 | 2026-9 |
| 1978/1979 | 6337 | 千吨 | 2026-9 |
| 1977/1978 | 5471 | 千吨 | 2026-9 |
| 1976/1977 | 5181 | 千吨 | 2026-9 |
| 1975/1976 | 4891 | 千吨 | 2026-9 |
| 1974/1975 | 5584 | 千吨 | 2026-9 |
| 1973/1974 | 5317 | 千吨 | 2026-9 |
| 1972/1973 | 5083 | 千吨 | 2026-9 |
| 1971/1972 | 5071 | 千吨 | 2026-9 |
| 1970/1971 | 4492 | 千吨 | 2026-9 |
| 1969/1970 | 4283 | 千吨 | 2026-9 |
| 1968/1969 | 4385 | 千吨 | 2026-9 |
| 1967/1968 | 3894 | 千吨 | 2026-9 |
| 1966/1967 | 3461 | 千吨 | 2026-9 |
| 1965/1966 | 3036 | 千吨 | 2026-9 |
| 1964/1965 | 2763 | 千吨 | 2026-9 |
| 1963/1964 | 3256 | 千吨 | 2026-9 |
| 1962/1963 | 3002 | 千吨 | 2026-9 |
| 1961/1962 | 2587 | 千吨 | 2026-9 |
| 1960/1961 | 2582 | 千吨 | 2026-9 |