| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 19078 | 千吨 | 2026-9 |
| 1985/1986 | 18035 | 千吨 | 2026-9 |
| 1984/1985 | 17004 | 千吨 | 2026-9 |
| 1983/1984 | 16356 | 千吨 | 2026-9 |
| 1982/1983 | 14616 | 千吨 | 2026-9 |
| 1981/1982 | 10788 | 千吨 | 2026-9 |
| 1980/1981 | 13523 | 千吨 | 2026-9 |
| 1979/1980 | 13424 | 千吨 | 2026-9 |
| 1978/1979 | 16182 | 千吨 | 2026-9 |
| 1977/1978 | 16014 | 千吨 | 2026-9 |
| 1976/1977 | 15758 | 千吨 | 2026-9 |
| 1975/1976 | 11271 | 千吨 | 2026-9 |
| 1974/1975 | 13313 | 千吨 | 2026-9 |
| 1973/1974 | 15239 | 千吨 | 2026-9 |
| 1972/1973 | 12514 | 千吨 | 2026-9 |
| 1971/1972 | 13320 | 千吨 | 2026-9 |
| 1970/1971 | 12357 | 千吨 | 2026-9 |
| 1969/1970 | 11371 | 千吨 | 2026-9 |
| 1968/1969 | 10126 | 千吨 | 2026-9 |
| 1967/1968 | 10075 | 千吨 | 2026-9 |
| 1966/1967 | 8003 | 千吨 | 2026-9 |
| 1965/1966 | 5382 | 千吨 | 2026-9 |
| 1964/1965 | 4802 | 千吨 | 2026-9 |
| 1963/1964 | 3450 | 千吨 | 2026-9 |
| 1962/1963 | 4951 | 千吨 | 2026-9 |
| 1961/1962 | 7743 | 千吨 | 2026-9 |
| 1960/1961 | 10439 | 千吨 | 2026-9 |