| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 610 | 千吨 | 2026-9 |
| 1991 | 576 | 千吨 | 2026-9 |
| 1990 | 561 | 千吨 | 2026-9 |
| 1989 | 498 | 千吨 | 2026-9 |
| 1988 | 509 | 千吨 | 2026-9 |
| 1987 | 503 | 千吨 | 2026-9 |
| 1986 | 471 | 千吨 | 2026-9 |
| 1985 | 440 | 千吨 | 2026-9 |
| 1984 | 443 | 千吨 | 2026-9 |
| 1983 | 483 | 千吨 | 2026-9 |
| 1982 | 492 | 千吨 | 2026-9 |
| 1981 | 451 | 千吨 | 2026-9 |
| 1980 | 439 | 千吨 | 2026-9 |
| 1979 | 474 | 千吨 | 2026-9 |
| 1978 | 464 | 千吨 | 2026-9 |
| 1977 | 481 | 千吨 | 2026-9 |
| 1976 | 462 | 千吨 | 2026-9 |
| 1975 | 481 | 千吨 | 2026-9 |
| 1974 | 430 | 千吨 | 2026-9 |
| 1973 | 452 | 千吨 | 2026-9 |
| 1972 | 387 | 千吨 | 2026-9 |
| 1971 | 364 | 千吨 | 2026-9 |
| 1970 | 411 | 千吨 | 2026-9 |
| 1969 | 372 | 千吨 | 2026-9 |
| 1968 | 354 | 千吨 | 2026-9 |
| 1967 | 326 | 千吨 | 2026-9 |
| 1966 | 289 | 千吨 | 2026-9 |
| 1965 | 250 | 千吨 | 2026-9 |
| 1964 | 248 | 千吨 | 2026-9 |
| 1963 | 258 | 千吨 | 2026-9 |
| 1962 | 208 | 千吨 | 2026-9 |
| 1961 | 182 | 千吨 | 2026-9 |
| 1960 | 160 | 千吨 | 2026-9 |