| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1992/1993 | 400000 | 吨 | 2026-9 |
| 1991/1992 | 360000 | 吨 | 2026-9 |
| 1990/1991 | 396000 | 吨 | 2026-9 |
| 1989/1990 | 400000 | 吨 | 2026-9 |
| 1988/1989 | 375000 | 吨 | 2026-9 |
| 1987/1988 | 386000 | 吨 | 2026-9 |
| 1986/1987 | 365000 | 吨 | 2026-9 |
| 1985/1986 | 345000 | 吨 | 2026-9 |
| 1984/1985 | 300000 | 吨 | 2026-9 |
| 1983/1984 | 313000 | 吨 | 2026-9 |
| 1982/1983 | 272000 | 吨 | 2026-9 |
| 1981/1982 | 285000 | 吨 | 2026-9 |