| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 479 | 千吨 | 2026-9 |
| 1991 | 530 | 千吨 | 2026-9 |
| 1990 | 451 | 千吨 | 2026-9 |
| 1989 | 473 | 千吨 | 2026-9 |
| 1988 | 417 | 千吨 | 2026-9 |
| 1987 | 468 | 千吨 | 2026-9 |
| 1986 | 478 | 千吨 | 2026-9 |
| 1985 | 493 | 千吨 | 2026-9 |
| 1984 | 458 | 千吨 | 2026-9 |
| 1983 | 453 | 千吨 | 2026-9 |
| 1982 | 453 | 千吨 | 2026-9 |
| 1981 | 378 | 千吨 | 2026-9 |
| 1980 | 366 | 千吨 | 2026-9 |
| 1979 | 356 | 千吨 | 2026-9 |
| 1978 | 335 | 千吨 | 2026-9 |
| 1977 | 340 | 千吨 | 2026-9 |
| 1976 | 308 | 千吨 | 2026-9 |
| 1975 | 329 | 千吨 | 2026-9 |
| 1974 | 314 | 千吨 | 2026-9 |
| 1973 | 464 | 千吨 | 2026-9 |
| 1972 | 341 | 千吨 | 2026-9 |
| 1971 | 322 | 千吨 | 2026-9 |
| 1970 | 299 | 千吨 | 2026-9 |
| 1969 | 262 | 千吨 | 2026-9 |
| 1968 | 276 | 千吨 | 2026-9 |
| 1967 | 297 | 千吨 | 2026-9 |
| 1966 | 287 | 千吨 | 2026-9 |
| 1965 | 268 | 千吨 | 2026-9 |
| 1964 | 269 | 千吨 | 2026-9 |
| 1963 | 240 | 千吨 | 2026-9 |
| 1962 | 131 | 千吨 | 2026-9 |
| 1961 | 91 | 千吨 | 2026-9 |
| 1960 | 128 | 千吨 | 2026-9 |