| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1990/1991 | 45 | 千吨 | 2026-9 |
| 1989/1990 | 100 | 千吨 | 2026-9 |
| 1988/1989 | 186 | 千吨 | 2026-9 |
| 1987/1988 | 229 | 千吨 | 2026-9 |
| 1986/1987 | 133 | 千吨 | 2026-9 |
| 1985/1986 | 204 | 千吨 | 2026-9 |
| 1984/1985 | 108 | 千吨 | 2026-9 |
| 1983/1984 | 37 | 千吨 | 2026-9 |
| 1982/1983 | 79 | 千吨 | 2026-9 |
| 1981/1982 | 42 | 千吨 | 2026-9 |
| 1980/1981 | 5 | 千吨 | 2026-9 |
| 1979/1980 | 48 | 千吨 | 2026-9 |
| 1978/1979 | 57 | 千吨 | 2026-9 |
| 1977/1978 | 41 | 千吨 | 2026-9 |
| 1976/1977 | 20 | 千吨 | 2026-9 |
| 1975/1976 | 33 | 千吨 | 2026-9 |
| 1974/1975 | 34 | 千吨 | 2026-9 |
| 1973/1974 | 69 | 千吨 | 2026-9 |
| 1972/1973 | 181 | 千吨 | 2026-9 |
| 1971/1972 | 99 | 千吨 | 2026-9 |
| 1970/1971 | 120 | 千吨 | 2026-9 |
| 1969/1970 | 198 | 千吨 | 2026-9 |