| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1989/1990 | 565 | 千吨 | 2026-9 |
| 1988/1989 | 378 | 千吨 | 2026-9 |
| 1987/1988 | 473 | 千吨 | 2026-9 |
| 1986/1987 | 488 | 千吨 | 2026-9 |
| 1985/1986 | 498 | 千吨 | 2026-9 |
| 1984/1985 | 484 | 千吨 | 2026-9 |
| 1983/1984 | 453 | 千吨 | 2026-9 |
| 1982/1983 | 551 | 千吨 | 2026-9 |
| 1981/1982 | 383 | 千吨 | 2026-9 |
| 1980/1981 | 353 | 千吨 | 2026-9 |
| 1979/1980 | 359 | 千吨 | 2026-9 |
| 1978/1979 | 335 | 千吨 | 2026-9 |
| 1977/1978 | 349 | 千吨 | 2026-9 |
| 1976/1977 | 302 | 千吨 | 2026-9 |
| 1975/1976 | 241 | 千吨 | 2026-9 |
| 1974/1975 | 149 | 千吨 | 2026-9 |
| 1973/1974 | 285 | 千吨 | 2026-9 |
| 1972/1973 | 163 | 千吨 | 2026-9 |
| 1971/1972 | 145 | 千吨 | 2026-9 |
| 1970/1971 | 161 | 千吨 | 2026-9 |
| 1969/1970 | 161 | 千吨 | 2026-9 |
| 1968/1969 | 110 | 千吨 | 2026-9 |
| 1967/1968 | 94 | 千吨 | 2026-9 |
| 1966/1967 | 151 | 千吨 | 2026-9 |
| 1965/1966 | 73 | 千吨 | 2026-9 |
| 1964/1965 | 86 | 千吨 | 2026-9 |