| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1752 | 千吨 | 2026-9 |
| 1989/1990 | 1853 | 千吨 | 2026-9 |
| 1988/1989 | 1717 | 千吨 | 2026-9 |
| 1987/1988 | 1796 | 千吨 | 2026-9 |
| 1986/1987 | 1848 | 千吨 | 2026-9 |
| 1985/1986 | 1901 | 千吨 | 2026-9 |
| 1984/1985 | 2073 | 千吨 | 2026-9 |
| 1983/1984 | 1855 | 千吨 | 2026-9 |
| 1982/1983 | 1663 | 千吨 | 2026-9 |
| 1981/1982 | 1981 | 千吨 | 2026-9 |
| 1980/1981 | 1738 | 千吨 | 2026-9 |
| 1979/1980 | 1909 | 千吨 | 2026-9 |
| 1978/1979 | 1591 | 千吨 | 2026-9 |
| 1977/1978 | 1629 | 千吨 | 2026-9 |
| 1976/1977 | 1418 | 千吨 | 2026-9 |
| 1975/1976 | 1447 | 千吨 | 2026-9 |
| 1974/1975 | 1200 | 千吨 | 2026-9 |
| 1973/1974 | 1384 | 千吨 | 2026-9 |
| 1972/1973 | 906 | 千吨 | 2026-9 |
| 1971/1972 | 1247 | 千吨 | 2026-9 |
| 1970/1971 | 1097 | 千吨 | 2026-9 |
| 1969/1970 | 1032 | 千吨 | 2026-9 |
| 1968/1969 | 579 | 千吨 | 2026-9 |
| 1967/1968 | 533 | 千吨 | 2026-9 |
| 1966/1967 | 489 | 千吨 | 2026-9 |
| 1965/1966 | 403 | 千吨 | 2026-9 |
| 1964/1965 | 383 | 千吨 | 2026-9 |