| 年度 | 数值 | 单位 | 发布日期 |
| 1990 | 378 | 千吨 | 2026-9 |
| 1989 | 443 | 千吨 | 2026-9 |
| 1988 | 416 | 千吨 | 2026-9 |
| 1987 | 373 | 千吨 | 2026-9 |
| 1986 | 367 | 千吨 | 2026-9 |
| 1985 | 460 | 千吨 | 2026-9 |
| 1984 | 436 | 千吨 | 2026-9 |
| 1983 | 421 | 千吨 | 2026-9 |
| 1982 | 441 | 千吨 | 2026-9 |
| 1981 | 452 | 千吨 | 2026-9 |
| 1980 | 431 | 千吨 | 2026-9 |
| 1979 | 441 | 千吨 | 2026-9 |
| 1978 | 428 | 千吨 | 2026-9 |
| 1977 | 422 | 千吨 | 2026-9 |
| 1976 | 458 | 千吨 | 2026-9 |
| 1975 | 477 | 千吨 | 2026-9 |
| 1974 | 387 | 千吨 | 2026-9 |
| 1973 | 360 | 千吨 | 2026-9 |
| 1972 | 328 | 千吨 | 2026-9 |
| 1971 | 316 | 千吨 | 2026-9 |
| 1970 | 336 | 千吨 | 2026-9 |
| 1969 | 353 | 千吨 | 2026-9 |
| 1968 | 348 | 千吨 | 2026-9 |
| 1967 | 343 | 千吨 | 2026-9 |
| 1966 | 318 | 千吨 | 2026-9 |
| 1965 | 234 | 千吨 | 2026-9 |
| 1964 | 239 | 千吨 | 2026-9 |
| 1963 | 274 | 千吨 | 2026-9 |
| 1962 | 344 | 千吨 | 2026-9 |
| 1961 | 265 | 千吨 | 2026-9 |
| 1960 | 189 | 千吨 | 2026-9 |