| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1988/1989 | 180 | 千吨 | 2026-9 |
| 1987/1988 | 180 | 千吨 | 2026-9 |
| 1986/1987 | 173 | 千吨 | 2026-9 |
| 1985/1986 | 327 | 千吨 | 2026-9 |
| 1984/1985 | 178 | 千吨 | 2026-9 |
| 1983/1984 | 205 | 千吨 | 2026-9 |
| 1982/1983 | 165 | 千吨 | 2026-9 |
| 1981/1982 | 268 | 千吨 | 2026-9 |
| 1980/1981 | 184 | 千吨 | 2026-9 |
| 1979/1980 | 165 | 千吨 | 2026-9 |
| 1978/1979 | 246 | 千吨 | 2026-9 |
| 1977/1978 | 176 | 千吨 | 2026-9 |
| 1976/1977 | 88 | 千吨 | 2026-9 |
| 1975/1976 | 79 | 千吨 | 2026-9 |
| 1974/1975 | 58 | 千吨 | 2026-9 |
| 1973/1974 | 103 | 千吨 | 2026-9 |
| 1972/1973 | 51 | 千吨 | 2026-9 |
| 1971/1972 | 348 | 千吨 | 2026-9 |
| 1970/1971 | 1089 | 千吨 | 2026-9 |
| 1969/1970 | 1173 | 千吨 | 2026-9 |
| 1968/1969 | 1175 | 千吨 | 2026-9 |
| 1967/1968 | 1413 | 千吨 | 2026-9 |
| 1966/1967 | 1122 | 千吨 | 2026-9 |
| 1965/1966 | 1428 | 千吨 | 2026-9 |
| 1964/1965 | 1057 | 千吨 | 2026-9 |
| 1963/1964 | 1000 | 千吨 | 2026-9 |
| 1962/1963 | 1000 | 千吨 | 2026-9 |
| 1961/1962 | 894 | 千吨 | 2026-9 |
| 1960/1961 | 950 | 千吨 | 2026-9 |