| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 3904 | 千吨 | 2026-9 |
| 1989/1990 | 3747 | 千吨 | 2026-9 |
| 1988/1989 | 3320 | 千吨 | 2026-9 |
| 1987/1988 | 3849 | 千吨 | 2026-9 |
| 1986/1987 | 3329 | 千吨 | 2026-9 |
| 1985/1986 | 2874 | 千吨 | 2026-9 |
| 1984/1985 | 2943 | 千吨 | 2026-9 |
| 1983/1984 | 2974 | 千吨 | 2026-9 |
| 1982/1983 | 2998 | 千吨 | 2026-9 |
| 1981/1982 | 3150 | 千吨 | 2026-9 |
| 1980/1981 | 3005 | 千吨 | 2026-9 |
| 1979/1980 | 3641 | 千吨 | 2026-9 |
| 1978/1979 | 3394 | 千吨 | 2026-9 |
| 1977/1978 | 2694 | 千吨 | 2026-9 |
| 1976/1977 | 1751 | 千吨 | 2026-9 |
| 1975/1976 | 1858 | 千吨 | 2026-9 |
| 1974/1975 | 1339 | 千吨 | 2026-9 |
| 1973/1974 | 1649 | 千吨 | 2026-9 |
| 1972/1973 | 1319 | 千吨 | 2026-9 |
| 1971/1972 | 1715 | 千吨 | 2026-9 |
| 1970/1971 | 1239 | 千吨 | 2026-9 |
| 1969/1970 | 1136 | 千吨 | 2026-9 |
| 1968/1969 | 1001 | 千吨 | 2026-9 |
| 1967/1968 | 674 | 千吨 | 2026-9 |
| 1966/1967 | 485 | 千吨 | 2026-9 |
| 1965/1966 | 441 | 千吨 | 2026-9 |
| 1964/1965 | 438 | 千吨 | 2026-9 |