| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 635 | 千吨 | 2026-9 |
| 1991 | 623 | 千吨 | 2026-9 |
| 1990 | 521 | 千吨 | 2026-9 |
| 1989 | 485 | 千吨 | 2026-9 |
| 1988 | 506 | 千吨 | 2026-9 |
| 1987 | 535 | 千吨 | 2026-9 |
| 1986 | 546 | 千吨 | 2026-9 |
| 1985 | 494 | 千吨 | 2026-9 |
| 1984 | 500 | 千吨 | 2026-9 |
| 1983 | 433 | 千吨 | 2026-9 |
| 1982 | 413 | 千吨 | 2026-9 |
| 1981 | 428 | 千吨 | 2026-9 |
| 1980 | 376 | 千吨 | 2026-9 |
| 1979 | 362 | 千吨 | 2026-9 |
| 1978 | 336 | 千吨 | 2026-9 |
| 1977 | 368 | 千吨 | 2026-9 |
| 1976 | 376 | 千吨 | 2026-9 |
| 1975 | 369 | 千吨 | 2026-9 |
| 1974 | 362 | 千吨 | 2026-9 |
| 1973 | 279 | 千吨 | 2026-9 |
| 1972 | 268 | 千吨 | 2026-9 |
| 1971 | 321 | 千吨 | 2026-9 |
| 1970 | 327 | 千吨 | 2026-9 |
| 1969 | 286 | 千吨 | 2026-9 |
| 1968 | 285 | 千吨 | 2026-9 |
| 1967 | 275 | 千吨 | 2026-9 |
| 1966 | 262 | 千吨 | 2026-9 |
| 1965 | 265 | 千吨 | 2026-9 |
| 1964 | 257 | 千吨 | 2026-9 |
| 1963 | 314 | 千吨 | 2026-9 |
| 1962 | 269 | 千吨 | 2026-9 |
| 1961 | 232 | 千吨 | 2026-9 |
| 1960 | 236 | 千吨 | 2026-9 |