| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 947 | 千吨 | 2026-9 |
| 1995 | 875 | 千吨 | 2026-9 |
| 1994 | 855 | 千吨 | 2026-9 |
| 1993 | 821 | 千吨 | 2026-9 |
| 1992 | 783 | 千吨 | 2026-9 |
| 1991 | 777 | 千吨 | 2026-9 |
| 1990 | 610 | 千吨 | 2026-9 |
| 1989 | 610 | 千吨 | 2026-9 |
| 1988 | 585 | 千吨 | 2026-9 |
| 1987 | 553 | 千吨 | 2026-9 |
| 1986 | 530 | 千吨 | 2026-9 |
| 1985 | 495 | 千吨 | 2026-9 |
| 1984 | 465 | 千吨 | 2026-9 |
| 1983 | 446 | 千吨 | 2026-9 |
| 1982 | 446 | 千吨 | 2026-9 |
| 1981 | 433 | 千吨 | 2026-9 |
| 1980 | 407 | 千吨 | 2026-9 |
| 1979 | 387 | 千吨 | 2026-9 |
| 1978 | 354 | 千吨 | 2026-9 |
| 1977 | 341 | 千吨 | 2026-9 |
| 1976 | 325 | 千吨 | 2026-9 |
| 1975 | 318 | 千吨 | 2026-9 |
| 1974 | 595 | 千吨 | 2026-9 |
| 1973 | 558 | 千吨 | 2026-9 |
| 1972 | 545 | 千吨 | 2026-9 |
| 1971 | 517 | 千吨 | 2026-9 |
| 1970 | 489 | 千吨 | 2026-9 |
| 1969 | 467 | 千吨 | 2026-9 |
| 1968 | 433 | 千吨 | 2026-9 |
| 1967 | 413 | 千吨 | 2026-9 |
| 1966 | 391 | 千吨 | 2026-9 |
| 1965 | 377 | 千吨 | 2026-9 |
| 1964 | 361 | 千吨 | 2026-9 |