| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1993 | 456 | 千吨 | 2026-9 |
| 1992 | 475 | 千吨 | 2026-9 |
| 1991 | 476 | 千吨 | 2026-9 |
| 1990 | 469 | 千吨 | 2026-9 |
| 1989 | 513 | 千吨 | 2026-9 |
| 1988 | 466 | 千吨 | 2026-9 |
| 1987 | 473 | 千吨 | 2026-9 |
| 1986 | 472 | 千吨 | 2026-9 |
| 1985 | 482 | 千吨 | 2026-9 |
| 1984 | 472 | 千吨 | 2026-9 |
| 1983 | 455 | 千吨 | 2026-9 |
| 1982 | 448 | 千吨 | 2026-9 |
| 1981 | 438 | 千吨 | 2026-9 |
| 1980 | 451 | 千吨 | 2026-9 |
| 1979 | 447 | 千吨 | 2026-9 |
| 1978 | 436 | 千吨 | 2026-9 |
| 1977 | 429 | 千吨 | 2026-9 |
| 1976 | 429 | 千吨 | 2026-9 |
| 1975 | 438 | 千吨 | 2026-9 |
| 1974 | 466 | 千吨 | 2026-9 |
| 1973 | 485 | 千吨 | 2026-9 |
| 1972 | 347 | 千吨 | 2026-9 |
| 1971 | 368 | 千吨 | 2026-9 |
| 1970 | 402 | 千吨 | 2026-9 |
| 1969 | 380 | 千吨 | 2026-9 |
| 1968 | 385 | 千吨 | 2026-9 |
| 1967 | 294 | 千吨 | 2026-9 |
| 1966 | 269 | 千吨 | 2026-9 |
| 1965 | 259 | 千吨 | 2026-9 |
| 1964 | 260 | 千吨 | 2026-9 |
| 1963 | 280 | 千吨 | 2026-9 |
| 1962 | 284 | 千吨 | 2026-9 |
| 1961 | 248 | 千吨 | 2026-9 |
| 1960 | 203 | 千吨 | 2026-9 |