| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 49575 | 千吨 | 2026-9 |
| 1985/1986 | 39447 | 千吨 | 2026-9 |
| 1984/1985 | 38507 | 千吨 | 2026-9 |
| 1983/1984 | 39041 | 千吨 | 2026-9 |
| 1982/1983 | 47702 | 千吨 | 2026-9 |
| 1981/1982 | 51248 | 千吨 | 2026-9 |
| 1980/1981 | 53085 | 千吨 | 2026-9 |
| 1979/1980 | 57384 | 千吨 | 2026-9 |
| 1978/1979 | 49626 | 千吨 | 2026-9 |
| 1977/1978 | 47899 | 千吨 | 2026-9 |
| 1976/1977 | 33078 | 千吨 | 2026-9 |
| 1975/1976 | 33478 | 千吨 | 2026-9 |
| 1974/1975 | 38111 | 千吨 | 2026-9 |
| 1973/1974 | 35927 | 千吨 | 2026-9 |
| 1972/1973 | 45241 | 千吨 | 2026-9 |
| 1971/1972 | 41394 | 千吨 | 2026-9 |
| 1970/1971 | 43478 | 千吨 | 2026-9 |
| 1969/1970 | 37114 | 千吨 | 2026-9 |
| 1968/1969 | 31438 | 千吨 | 2026-9 |
| 1967/1968 | 24162 | 千吨 | 2026-9 |
| 1966/1967 | 21015 | 千吨 | 2026-9 |
| 1965/1966 | 23576 | 千吨 | 2026-9 |
| 1964/1965 | 12601 | 千吨 | 2026-9 |
| 1963/1964 | 5086 | 千吨 | 2026-9 |
| 1962/1963 | 11644 | 千吨 | 2026-9 |
| 1961/1962 | 16261 | 千吨 | 2026-9 |
| 1960/1961 | 12452 | 千吨 | 2026-9 |