| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1342 | 千吨 | 2026-9 |
| 1989/1990 | 1356 | 千吨 | 2026-9 |
| 1988/1989 | 1463 | 千吨 | 2026-9 |
| 1987/1988 | 1409 | 千吨 | 2026-9 |
| 1986/1987 | 1351 | 千吨 | 2026-9 |
| 1985/1986 | 1346 | 千吨 | 2026-9 |
| 1984/1985 | 1323 | 千吨 | 2026-9 |
| 1983/1984 | 1307 | 千吨 | 2026-9 |
| 1982/1983 | 1308 | 千吨 | 2026-9 |
| 1981/1982 | 1286 | 千吨 | 2026-9 |
| 1980/1981 | 1113 | 千吨 | 2026-9 |
| 1979/1980 | 1093 | 千吨 | 2026-9 |
| 1978/1979 | 1057 | 千吨 | 2026-9 |
| 1977/1978 | 1004 | 千吨 | 2026-9 |
| 1976/1977 | 816 | 千吨 | 2026-9 |
| 1975/1976 | 763 | 千吨 | 2026-9 |
| 1974/1975 | 723 | 千吨 | 2026-9 |
| 1973/1974 | 624 | 千吨 | 2026-9 |
| 1972/1973 | 600 | 千吨 | 2026-9 |
| 1971/1972 | 612 | 千吨 | 2026-9 |
| 1970/1971 | 533 | 千吨 | 2026-9 |
| 1969/1970 | 536 | 千吨 | 2026-9 |
| 1968/1969 | 455 | 千吨 | 2026-9 |
| 1967/1968 | 377 | 千吨 | 2026-9 |
| 1966/1967 | 446 | 千吨 | 2026-9 |
| 1965/1966 | 386 | 千吨 | 2026-9 |
| 1964/1965 | 429 | 千吨 | 2026-9 |