| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 5337 | 千吨 | 2026-9 |
| 1990/1991 | 4600 | 千吨 | 2026-9 |
| 1989/1990 | 4547 | 千吨 | 2026-9 |
| 1988/1989 | 4483 | 千吨 | 2026-9 |
| 1987/1988 | 4589 | 千吨 | 2026-9 |
| 1986/1987 | 4625 | 千吨 | 2026-9 |
| 1985/1986 | 4600 | 千吨 | 2026-9 |
| 1984/1985 | 4600 | 千吨 | 2026-9 |
| 1983/1984 | 4770 | 千吨 | 2026-9 |
| 1982/1983 | 4730 | 千吨 | 2026-9 |
| 1981/1982 | 4800 | 千吨 | 2026-9 |
| 1980/1981 | 4870 | 千吨 | 2026-9 |
| 1979/1980 | 4850 | 千吨 | 2026-9 |
| 1978/1979 | 5000 | 千吨 | 2026-9 |
| 1977/1978 | 5150 | 千吨 | 2026-9 |
| 1976/1977 | 5150 | 千吨 | 2026-9 |
| 1975/1976 | 5025 | 千吨 | 2026-9 |
| 1974/1975 | 5020 | 千吨 | 2026-9 |
| 1973/1974 | 5100 | 千吨 | 2026-9 |
| 1972/1973 | 4950 | 千吨 | 2026-9 |
| 1971/1972 | 4671 | 千吨 | 2026-9 |
| 1970/1971 | 4649 | 千吨 | 2026-9 |
| 1969/1970 | 4630 | 千吨 | 2026-9 |
| 1968/1969 | 4558 | 千吨 | 2026-9 |
| 1967/1968 | 4634 | 千吨 | 2026-9 |
| 1966/1967 | 4576 | 千吨 | 2026-9 |
| 1965/1966 | 4585 | 千吨 | 2026-9 |
| 1964/1965 | 4768 | 千吨 | 2026-9 |
| 1963/1964 | 4633 | 千吨 | 2026-9 |
| 1962/1963 | 4442 | 千吨 | 2026-9 |
| 1961/1962 | 4178 | 千吨 | 2026-9 |
| 1960/1961 | 3978 | 千吨 | 2026-9 |