| 年度 | 数值 | 单位 | 发布时间 |
|---|---|---|---|
| 1990/1991 | 152 | 千吨 | 2026-9 |
| 1989/1990 | 188 | 千吨 | 2026-9 |
| 1988/1989 | 62 | 千吨 | 2026-9 |
| 1987/1988 | 45 | 千吨 | 2026-9 |
| 1986/1987 | 45 | 千吨 | 2026-9 |
| 1985/1986 | 47 | 千吨 | 2026-9 |
| 1984/1985 | 60 | 千吨 | 2026-9 |
| 1983/1984 | 49 | 千吨 | 2026-9 |
| 1982/1983 | 59 | 千吨 | 2026-9 |
| 1981/1982 | 53 | 千吨 | 2026-9 |
| 1980/1981 | 99 | 千吨 | 2026-9 |
| 1979/1980 | 48 | 千吨 | 2026-9 |
| 1978/1979 | 54 | 千吨 | 2026-9 |
| 1977/1978 | 111 | 千吨 | 2026-9 |
| 1976/1977 | 72 | 千吨 | 2026-9 |
| 1975/1976 | 107 | 千吨 | 2026-9 |
| 1974/1975 | 85 | 千吨 | 2026-9 |
| 1973/1974 | 75 | 千吨 | 2026-9 |
| 1972/1973 | 80 | 千吨 | 2026-9 |
| 1971/1972 | 32 | 千吨 | 2026-9 |