| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1937 | 千吨 | 2026-9 |
| 1989/1990 | 1748 | 千吨 | 2026-9 |
| 1988/1989 | 2302 | 千吨 | 2026-9 |
| 1987/1988 | 2645 | 千吨 | 2026-9 |
| 1986/1987 | 1071 | 千吨 | 2026-9 |
| 1985/1986 | 1340 | 千吨 | 2026-9 |
| 1984/1985 | 1304 | 千吨 | 2026-9 |
| 1983/1984 | 906 | 千吨 | 2026-9 |
| 1982/1983 | 1148 | 千吨 | 2026-9 |
| 1981/1982 | 990 | 千吨 | 2026-9 |
| 1980/1981 | 1103 | 千吨 | 2026-9 |
| 1979/1980 | 510 | 千吨 | 2026-9 |
| 1978/1979 | 568 | 千吨 | 2026-9 |
| 1977/1978 | 388 | 千吨 | 2026-9 |
| 1976/1977 | 536 | 千吨 | 2026-9 |
| 1975/1976 | 474 | 千吨 | 2026-9 |
| 1974/1975 | 657 | 千吨 | 2026-9 |
| 1973/1974 | 631 | 千吨 | 2026-9 |
| 1972/1973 | 711 | 千吨 | 2026-9 |
| 1971/1972 | 663 | 千吨 | 2026-9 |
| 1970/1971 | 582 | 千吨 | 2026-9 |
| 1969/1970 | 513 | 千吨 | 2026-9 |
| 1968/1969 | 452 | 千吨 | 2026-9 |
| 1967/1968 | 411 | 千吨 | 2026-9 |
| 1966/1967 | 317 | 千吨 | 2026-9 |
| 1965/1966 | 338 | 千吨 | 2026-9 |
| 1964/1965 | 247 | 千吨 | 2026-9 |