| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 3790 | 千吨 | 2026-9 |
| 1990/1991 | 4071 | 千吨 | 2026-9 |
| 1989/1990 | 3550 | 千吨 | 2026-9 |
| 1988/1989 | 3411 | 千吨 | 2026-9 |
| 1987/1988 | 3551 | 千吨 | 2026-9 |
| 1986/1987 | 3530 | 千吨 | 2026-9 |
| 1985/1986 | 3538 | 千吨 | 2026-9 |
| 1984/1985 | 3677 | 千吨 | 2026-9 |
| 1983/1984 | 3276 | 千吨 | 2026-9 |
| 1982/1983 | 3654 | 千吨 | 2026-9 |
| 1981/1982 | 3392 | 千吨 | 2026-9 |
| 1980/1981 | 3575 | 千吨 | 2026-9 |
| 1979/1980 | 3604 | 千吨 | 2026-9 |
| 1978/1979 | 3642 | 千吨 | 2026-9 |
| 1977/1978 | 3207 | 千吨 | 2026-9 |
| 1976/1977 | 2901 | 千吨 | 2026-9 |
| 1975/1976 | 3114 | 千吨 | 2026-9 |
| 1974/1975 | 3375 | 千吨 | 2026-9 |
| 1973/1974 | 2962 | 千吨 | 2026-9 |
| 1972/1973 | 2651 | 千吨 | 2026-9 |
| 1971/1972 | 2851 | 千吨 | 2026-9 |
| 1970/1971 | 2280 | 千吨 | 2026-9 |
| 1969/1970 | 2499 | 千吨 | 2026-9 |
| 1968/1969 | 2113 | 千吨 | 2026-9 |
| 1967/1968 | 1936 | 千吨 | 2026-9 |
| 1966/1967 | 1608 | 千吨 | 2026-9 |
| 1965/1966 | 1399 | 千吨 | 2026-9 |
| 1964/1965 | 1429 | 千吨 | 2026-9 |
| 1963/1964 | 1620 | 千吨 | 2026-9 |
| 1962/1963 | 1752 | 千吨 | 2026-9 |
| 1961/1962 | 1581 | 千吨 | 2026-9 |
| 1960/1961 | 1745 | 千吨 | 2026-9 |