| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1983/1984 | 0 | 千吨 | 2026-9 |
| 1982/1983 | 0 | 千吨 | 2026-9 |
| 1981/1982 | 103 | 千吨 | 2026-9 |
| 1980/1981 | 0 | 千吨 | 2026-9 |
| 1979/1980 | 55 | 千吨 | 2026-9 |
| 1978/1979 | 25 | 千吨 | 2026-9 |
| 1977/1978 | 60 | 千吨 | 2026-9 |
| 1976/1977 | 151 | 千吨 | 2026-9 |
| 1975/1976 | 150 | 千吨 | 2026-9 |
| 1974/1975 | 557 | 千吨 | 2026-9 |
| 1973/1974 | 267 | 千吨 | 2026-9 |
| 1972/1973 | 70 | 千吨 | 2026-9 |
| 1971/1972 | 61 | 千吨 | 2026-9 |
| 1970/1971 | 75 | 千吨 | 2026-9 |
| 1969/1970 | 135 | 千吨 | 2026-9 |
| 1968/1969 | 240 | 千吨 | 2026-9 |
| 1967/1968 | 216 | 千吨 | 2026-9 |
| 1966/1967 | 198 | 千吨 | 2026-9 |
| 1965/1966 | 155 | 千吨 | 2026-9 |
| 1964/1965 | 123 | 千吨 | 2026-9 |
| 1963/1964 | 234 | 千吨 | 2026-9 |
| 1962/1963 | 0 | 千吨 | 2026-9 |
| 1961/1962 | 51 | 千吨 | 2026-9 |
| 1960/1961 | 50 | 千吨 | 2026-9 |