| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 2307 | 千吨 | 2026-9 |
| 1989/1990 | 2122 | 千吨 | 2026-9 |
| 1988/1989 | 2313 | 千吨 | 2026-9 |
| 1987/1988 | 2305 | 千吨 | 2026-9 |
| 1986/1987 | 1813 | 千吨 | 2026-9 |
| 1985/1986 | 1810 | 千吨 | 2026-9 |
| 1984/1985 | 1405 | 千吨 | 2026-9 |
| 1983/1984 | 1193 | 千吨 | 2026-9 |
| 1982/1983 | 1327 | 千吨 | 2026-9 |
| 1981/1982 | 827 | 千吨 | 2026-9 |
| 1980/1981 | 965 | 千吨 | 2026-9 |
| 1979/1980 | 798 | 千吨 | 2026-9 |
| 1978/1979 | 574 | 千吨 | 2026-9 |
| 1977/1978 | 430 | 千吨 | 2026-9 |
| 1976/1977 | 481 | 千吨 | 2026-9 |
| 1975/1976 | 341 | 千吨 | 2026-9 |
| 1974/1975 | 415 | 千吨 | 2026-9 |
| 1973/1974 | 451 | 千吨 | 2026-9 |
| 1972/1973 | 302 | 千吨 | 2026-9 |
| 1971/1972 | 279 | 千吨 | 2026-9 |
| 1970/1971 | 315 | 千吨 | 2026-9 |
| 1969/1970 | 214 | 千吨 | 2026-9 |
| 1968/1969 | 293 | 千吨 | 2026-9 |
| 1967/1968 | 233 | 千吨 | 2026-9 |
| 1966/1967 | 137 | 千吨 | 2026-9 |
| 1965/1966 | 214 | 千吨 | 2026-9 |
| 1964/1965 | 180 | 千吨 | 2026-9 |