| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 16000 | 千吨 | 2026-9 |
| 1985/1986 | 15700 | 千吨 | 2026-9 |
| 1984/1985 | 28100 | 千吨 | 2026-9 |
| 1983/1984 | 20500 | 千吨 | 2026-9 |
| 1982/1983 | 20800 | 千吨 | 2026-9 |
| 1981/1982 | 20300 | 千吨 | 2026-9 |
| 1980/1981 | 16000 | 千吨 | 2026-9 |
| 1979/1980 | 12125 | 千吨 | 2026-9 |
| 1978/1979 | 5142 | 千吨 | 2026-9 |
| 1977/1978 | 6649 | 千吨 | 2026-9 |
| 1976/1977 | 4600 | 千吨 | 2026-9 |
| 1975/1976 | 10100 | 千吨 | 2026-9 |
| 1974/1975 | 2500 | 千吨 | 2026-9 |
| 1973/1974 | 4508 | 千吨 | 2026-9 |
| 1972/1973 | 15590 | 千吨 | 2026-9 |
| 1971/1972 | 3525 | 千吨 | 2026-9 |
| 1970/1971 | 484 | 千吨 | 2026-9 |
| 1969/1970 | 1147 | 千吨 | 2026-9 |
| 1968/1969 | 215 | 千吨 | 2026-9 |
| 1967/1968 | 1508 | 千吨 | 2026-9 |
| 1966/1967 | 3082 | 千吨 | 2026-9 |
| 1965/1966 | 8549 | 千吨 | 2026-9 |
| 1964/1965 | 2222 | 千吨 | 2026-9 |
| 1963/1964 | 9746 | 千吨 | 2026-9 |
| 1962/1963 | 242 | 千吨 | 2026-9 |
| 1961/1962 | 239 | 千吨 | 2026-9 |
| 1960/1961 | 585 | 千吨 | 2026-9 |