| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1989/1990 | 81.374 | 千吨 | 2026-9 |
| 1988/1989 | 63.365 | 千吨 | 2026-9 |
| 1987/1988 | 80.707 | 千吨 | 2026-9 |
| 1986/1987 | 76.705 | 千吨 | 2026-9 |
| 1985/1986 | 52.026 | 千吨 | 2026-9 |
| 1984/1985 | 30.682 | 千吨 | 2026-9 |
| 1983/1984 | 28.014 | 千吨 | 2026-9 |
| 1982/1983 | 69.368 | 千吨 | 2026-9 |
| 1981/1982 | 75.371 | 千吨 | 2026-9 |
| 1980/1981 | 60.697 | 千吨 | 2026-9 |
| 1979/1980 | 114.724 | 千吨 | 2026-9 |
| 1978/1979 | 111.389 | 千吨 | 2026-9 |
| 1977/1978 | 81.374 | 千吨 | 2026-9 |
| 1976/1977 | 66.7 | 千吨 | 2026-9 |
| 1975/1976 | 66.033 | 千吨 | 2026-9 |
| 1974/1975 | 87.377 | 千吨 | 2026-9 |
| 1973/1974 | 66.7 | 千吨 | 2026-9 |
| 1972/1973 | 56.695 | 千吨 | 2026-9 |