| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1067 | 千吨 | 2026-9 |
| 1989/1990 | 1076 | 千吨 | 2026-9 |
| 1988/1989 | 1034 | 千吨 | 2026-9 |
| 1987/1988 | 1061 | 千吨 | 2026-9 |
| 1986/1987 | 558 | 千吨 | 2026-9 |
| 1985/1986 | 686 | 千吨 | 2026-9 |
| 1984/1985 | 808 | 千吨 | 2026-9 |
| 1983/1984 | 586 | 千吨 | 2026-9 |
| 1982/1983 | 547 | 千吨 | 2026-9 |
| 1981/1982 | 645 | 千吨 | 2026-9 |
| 1980/1981 | 656 | 千吨 | 2026-9 |
| 1979/1980 | 546 | 千吨 | 2026-9 |
| 1978/1979 | 545 | 千吨 | 2026-9 |
| 1977/1978 | 434 | 千吨 | 2026-9 |
| 1976/1977 | 438 | 千吨 | 2026-9 |
| 1975/1976 | 398 | 千吨 | 2026-9 |
| 1974/1975 | 453 | 千吨 | 2026-9 |
| 1973/1974 | 543 | 千吨 | 2026-9 |
| 1972/1973 | 558 | 千吨 | 2026-9 |
| 1971/1972 | 652 | 千吨 | 2026-9 |
| 1970/1971 | 461 | 千吨 | 2026-9 |
| 1969/1970 | 303 | 千吨 | 2026-9 |
| 1968/1969 | 341 | 千吨 | 2026-9 |
| 1967/1968 | 312 | 千吨 | 2026-9 |
| 1966/1967 | 218 | 千吨 | 2026-9 |
| 1965/1966 | 215 | 千吨 | 2026-9 |
| 1964/1965 | 125 | 千吨 | 2026-9 |