| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1991/1992 | 7350 | 千吨 | 2026-9 |
| 1990/1991 | 7000 | 千吨 | 2026-9 |
| 1989/1990 | 8475 | 千吨 | 2026-9 |
| 1988/1989 | 7700 | 千吨 | 2026-9 |
| 1987/1988 | 8600 | 千吨 | 2026-9 |
| 1986/1987 | 8400 | 千吨 | 2026-9 |
| 1985/1986 | 8400 | 千吨 | 2026-9 |
| 1984/1985 | 8400 | 千吨 | 2026-9 |
| 1983/1984 | 8800 | 千吨 | 2026-9 |
| 1982/1983 | 8500 | 千吨 | 2026-9 |
| 1981/1982 | 8600 | 千吨 | 2026-9 |
| 1980/1981 | 8226 | 千吨 | 2026-9 |
| 1979/1980 | 7900 | 千吨 | 2026-9 |
| 1978/1979 | 7700 | 千吨 | 2026-9 |
| 1977/1978 | 8100 | 千吨 | 2026-9 |
| 1976/1977 | 7100 | 千吨 | 2026-9 |
| 1975/1976 | 6800 | 千吨 | 2026-9 |
| 1974/1975 | 7000 | 千吨 | 2026-9 |
| 1973/1974 | 7000 | 千吨 | 2026-9 |
| 1972/1973 | 6750 | 千吨 | 2026-9 |
| 1971/1972 | 6563 | 千吨 | 2026-9 |
| 1970/1971 | 6383 | 千吨 | 2026-9 |
| 1969/1970 | 6265 | 千吨 | 2026-9 |
| 1968/1969 | 5244 | 千吨 | 2026-9 |
| 1967/1968 | 5859 | 千吨 | 2026-9 |
| 1966/1967 | 6357 | 千吨 | 2026-9 |
| 1965/1966 | 5331 | 千吨 | 2026-9 |
| 1964/1965 | 5800 | 千吨 | 2026-9 |
| 1963/1964 | 4907 | 千吨 | 2026-9 |
| 1962/1963 | 4251 | 千吨 | 2026-9 |
| 1961/1962 | 3398 | 千吨 | 2026-9 |
| 1960/1961 | 4785 | 千吨 | 2026-9 |