| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1983/1984 | 1708 | 千吨 | 2026-9 |
| 1982/1983 | 1467 | 千吨 | 2026-9 |
| 1981/1982 | 1280 | 千吨 | 2026-9 |
| 1980/1981 | 1297 | 千吨 | 2026-9 |
| 1979/1980 | 1512 | 千吨 | 2026-9 |
| 1978/1979 | 1885 | 千吨 | 2026-9 |
| 1977/1978 | 1804 | 千吨 | 2026-9 |
| 1976/1977 | 1692 | 千吨 | 2026-9 |
| 1975/1976 | 1188 | 千吨 | 2026-9 |
| 1974/1975 | 1245 | 千吨 | 2026-9 |
| 1973/1974 | 1231 | 千吨 | 2026-9 |
| 1972/1973 | 1240 | 千吨 | 2026-9 |
| 1971/1972 | 1355 | 千吨 | 2026-9 |
| 1970/1971 | 1178 | 千吨 | 2026-9 |
| 1969/1970 | 1176 | 千吨 | 2026-9 |
| 1968/1969 | 1163 | 千吨 | 2026-9 |
| 1967/1968 | 1037 | 千吨 | 2026-9 |
| 1966/1967 | 964 | 千吨 | 2026-9 |
| 1965/1966 | 899 | 千吨 | 2026-9 |
| 1964/1965 | 891 | 千吨 | 2026-9 |
| 1963/1964 | 905 | 千吨 | 2026-9 |
| 1962/1963 | 725 | 千吨 | 2026-9 |
| 1961/1962 | 822 | 千吨 | 2026-9 |
| 1960/1961 | 733 | 千吨 | 2026-9 |