| 年度 | 数值 | 单位 | 发布日期 |
| 1986/1987 | 1294 | 千吨 | 2026-9 |
| 1985/1986 | 1943 | 千吨 | 2026-9 |
| 1984/1985 | 711 | 千吨 | 2026-9 |
| 1983/1984 | 980 | 千吨 | 2026-9 |
| 1982/1983 | 1031 | 千吨 | 2026-9 |
| 1981/1982 | 1009 | 千吨 | 2026-9 |
| 1980/1981 | 345 | 千吨 | 2026-9 |
| 1979/1980 | 263 | 千吨 | 2026-9 |
| 1978/1979 | 877 | 千吨 | 2026-9 |
| 1977/1978 | 647 | 千吨 | 2026-9 |
| 1976/1977 | 1731 | 千吨 | 2026-9 |
| 1975/1976 | 36 | 千吨 | 2026-9 |
| 1974/1975 | 1555 | 千吨 | 2026-9 |
| 1973/1974 | 2803 | 千吨 | 2026-9 |
| 1972/1973 | 921 | 千吨 | 2026-9 |
| 1971/1972 | 899 | 千吨 | 2026-9 |
| 1970/1971 | 867 | 千吨 | 2026-9 |
| 1969/1970 | 1901 | 千吨 | 2026-9 |
| 1968/1969 | 1437 | 千吨 | 2026-9 |
| 1967/1968 | 2039 | 千吨 | 2026-9 |
| 1966/1967 | 1918 | 千吨 | 2026-9 |
| 1965/1966 | 1046 | 千吨 | 2026-9 |
| 1964/1965 | 2214 | 千吨 | 2026-9 |
| 1963/1964 | 196 | 千吨 | 2026-9 |
| 1962/1963 | 1347 | 千吨 | 2026-9 |
| 1961/1962 | 1682 | 千吨 | 2026-9 |
| 1960/1961 | 2201 | 千吨 | 2026-9 |