| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1990/1991 | 53.36 | 千吨 | 2026-9 |
| 1989/1990 | 33.35 | 千吨 | 2026-9 |
| 1988/1989 | 53.36 | 千吨 | 2026-9 |
| 1987/1988 | 33.35 | 千吨 | 2026-9 |
| 1986/1987 | 26.68 | 千吨 | 2026-9 |
| 1985/1986 | 33.35 | 千吨 | 2026-9 |
| 1984/1985 | 80.04 | 千吨 | 2026-9 |
| 1983/1984 | 80.04 | 千吨 | 2026-9 |
| 1982/1983 | 40.687 | 千吨 | 2026-9 |
| 1981/1982 | 80.707 | 千吨 | 2026-9 |
| 1980/1981 | 86.71 | 千吨 | 2026-9 |
| 1979/1980 | 94.714 | 千吨 | 2026-9 |
| 1978/1979 | 94.714 | 千吨 | 2026-9 |
| 1977/1978 | 42.021 | 千吨 | 2026-9 |
| 1976/1977 | 47.357 | 千吨 | 2026-9 |
| 1975/1976 | 18.676 | 千吨 | 2026-9 |
| 1974/1975 | 20.677 | 千吨 | 2026-9 |
| 1973/1974 | 25.346 | 千吨 | 2026-9 |
| 1972/1973 | 28.014 | 千吨 | 2026-9 |