| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1980/1981 | 0 | 千吨 | 2026-9 |
| 1979/1980 | 15 | 千吨 | 2026-9 |
| 1978/1979 | 71 | 千吨 | 2026-9 |
| 1977/1978 | 97 | 千吨 | 2026-9 |
| 1976/1977 | 166 | 千吨 | 2026-9 |
| 1975/1976 | 117 | 千吨 | 2026-9 |
| 1974/1975 | 45 | 千吨 | 2026-9 |
| 1973/1974 | 74 | 千吨 | 2026-9 |
| 1972/1973 | 38 | 千吨 | 2026-9 |
| 1971/1972 | 63 | 千吨 | 2026-9 |
| 1970/1971 | 34 | 千吨 | 2026-9 |
| 1969/1970 | 29 | 千吨 | 2026-9 |
| 1968/1969 | 30 | 千吨 | 2026-9 |
| 1967/1968 | 40 | 千吨 | 2026-9 |
| 1966/1967 | 25 | 千吨 | 2026-9 |
| 1965/1966 | 14 | 千吨 | 2026-9 |
| 1964/1965 | 14 | 千吨 | 2026-9 |
| 1963/1964 | 52 | 千吨 | 2026-9 |
| 1962/1963 | 91 | 千吨 | 2026-9 |
| 1961/1962 | 63 | 千吨 | 2026-9 |
| 1960/1961 | 53 | 千吨 | 2026-9 |