| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 2819 | 千吨 | 2026-9 |
| 1985/1986 | 2390 | 千吨 | 2026-9 |
| 1984/1985 | 2646 | 千吨 | 2026-9 |
| 1983/1984 | 2500 | 千吨 | 2026-9 |
| 1982/1983 | 2534 | 千吨 | 2026-9 |
| 1981/1982 | 2862 | 千吨 | 2026-9 |
| 1980/1981 | 3160 | 千吨 | 2026-9 |
| 1979/1980 | 2765 | 千吨 | 2026-9 |
| 1978/1979 | 2962 | 千吨 | 2026-9 |
| 1977/1978 | 3312 | 千吨 | 2026-9 |
| 1976/1977 | 3225 | 千吨 | 2026-9 |
| 1975/1976 | 2260 | 千吨 | 2026-9 |
| 1974/1975 | 2674 | 千吨 | 2026-9 |
| 1973/1974 | 3090 | 千吨 | 2026-9 |
| 1972/1973 | 2204 | 千吨 | 2026-9 |
| 1971/1972 | 1785 | 千吨 | 2026-9 |
| 1970/1971 | 2172 | 千吨 | 2026-9 |
| 1969/1970 | 2169 | 千吨 | 2026-9 |
| 1968/1969 | 1681 | 千吨 | 2026-9 |
| 1967/1968 | 1393 | 千吨 | 2026-9 |
| 1966/1967 | 1431 | 千吨 | 2026-9 |
| 1965/1966 | 1397 | 千吨 | 2026-9 |
| 1964/1965 | 1235 | 千吨 | 2026-9 |
| 1963/1964 | 866 | 千吨 | 2026-9 |
| 1962/1963 | 1200 | 千吨 | 2026-9 |
| 1961/1962 | 1000 | 千吨 | 2026-9 |
| 1960/1961 | 141 | 千吨 | 2026-9 |