| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 517 | 千吨 | 2026-9 |
| 1991 | 506 | 千吨 | 2026-9 |
| 1990 | 487 | 千吨 | 2026-9 |
| 1989 | 455 | 千吨 | 2026-9 |
| 1988 | 482 | 千吨 | 2026-9 |
| 1987 | 473 | 千吨 | 2026-9 |
| 1986 | 451 | 千吨 | 2026-9 |
| 1985 | 431 | 千吨 | 2026-9 |
| 1984 | 425 | 千吨 | 2026-9 |
| 1983 | 440 | 千吨 | 2026-9 |
| 1982 | 451 | 千吨 | 2026-9 |
| 1981 | 388 | 千吨 | 2026-9 |
| 1980 | 416 | 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 | 451 | 千吨 | 2026-9 |
| 1972 | 386 | 千吨 | 2026-9 |
| 1971 | 363 | 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 | 207 | 千吨 | 2026-9 |
| 1961 | 182 | 千吨 | 2026-9 |
| 1960 | 160 | 千吨 | 2026-9 |