| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1056 | 千吨 | 2026-9 |
| 1989/1990 | 1207 | 千吨 | 2026-9 |
| 1988/1989 | 1206 | 千吨 | 2026-9 |
| 1987/1988 | 1446 | 千吨 | 2026-9 |
| 1986/1987 | 1586 | 千吨 | 2026-9 |
| 1985/1986 | 1453 | 千吨 | 2026-9 |
| 1984/1985 | 1425 | 千吨 | 2026-9 |
| 1983/1984 | 1638 | 千吨 | 2026-9 |
| 1982/1983 | 1660 | 千吨 | 2026-9 |
| 1981/1982 | 1578 | 千吨 | 2026-9 |
| 1980/1981 | 1130 | 千吨 | 2026-9 |
| 1979/1980 | 961 | 千吨 | 2026-9 |
| 1978/1979 | 1060 | 千吨 | 2026-9 |
| 1977/1978 | 1101 | 千吨 | 2026-9 |
| 1976/1977 | 842 | 千吨 | 2026-9 |
| 1975/1976 | 894 | 千吨 | 2026-9 |
| 1974/1975 | 728 | 千吨 | 2026-9 |
| 1973/1974 | 760 | 千吨 | 2026-9 |
| 1972/1973 | 466 | 千吨 | 2026-9 |
| 1971/1972 | 345 | 千吨 | 2026-9 |
| 1970/1971 | 363 | 千吨 | 2026-9 |
| 1969/1970 | 334 | 千吨 | 2026-9 |
| 1968/1969 | 273 | 千吨 | 2026-9 |
| 1967/1968 | 269 | 千吨 | 2026-9 |
| 1966/1967 | 256 | 千吨 | 2026-9 |
| 1965/1966 | 191 | 千吨 | 2026-9 |
| 1964/1965 | 165 | 千吨 | 2026-9 |