| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1986/1987 | 16259 | 千吨 | 2026-9 |
| 1985/1986 | 15645 | 千吨 | 2026-9 |
| 1984/1985 | 14358 | 千吨 | 2026-9 |
| 1983/1984 | 13856 | 千吨 | 2026-9 |
| 1982/1983 | 12082 | 千吨 | 2026-9 |
| 1981/1982 | 7926 | 千吨 | 2026-9 |
| 1980/1981 | 10363 | 千吨 | 2026-9 |
| 1979/1980 | 10659 | 千吨 | 2026-9 |
| 1978/1979 | 13220 | 千吨 | 2026-9 |
| 1977/1978 | 12702 | 千吨 | 2026-9 |
| 1976/1977 | 12533 | 千吨 | 2026-9 |
| 1975/1976 | 9011 | 千吨 | 2026-9 |
| 1974/1975 | 10589 | 千吨 | 2026-9 |
| 1973/1974 | 12132 | 千吨 | 2026-9 |
| 1972/1973 | 10300 | 千吨 | 2026-9 |
| 1971/1972 | 11525 | 千吨 | 2026-9 |
| 1970/1971 | 10175 | 千吨 | 2026-9 |
| 1969/1970 | 9194 | 千吨 | 2026-9 |
| 1968/1969 | 8439 | 千吨 | 2026-9 |
| 1967/1968 | 8671 | 千吨 | 2026-9 |
| 1966/1967 | 6560 | 千吨 | 2026-9 |
| 1965/1966 | 3973 | 千吨 | 2026-9 |
| 1964/1965 | 3539 | 千吨 | 2026-9 |
| 1963/1964 | 2554 | 千吨 | 2026-9 |
| 1962/1963 | 3751 | 千吨 | 2026-9 |
| 1961/1962 | 6541 | 千吨 | 2026-9 |
| 1960/1961 | 10229 | 千吨 | 2026-9 |