| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 752 | 千吨 | 2026-9 |
| 1995 | 755 | 千吨 | 2026-9 |
| 1994 | 815 | 千吨 | 2026-9 |
| 1993 | 760 | 千吨 | 2026-9 |
| 1992 | 760 | 千吨 | 2026-9 |
| 1991 | 739 | 千吨 | 2026-9 |
| 1990 | 814 | 千吨 | 2026-9 |
| 1989 | 796 | 千吨 | 2026-9 |
| 1988 | 769 | 千吨 | 2026-9 |
| 1987 | 694 | 千吨 | 2026-9 |
| 1986 | 680 | 千吨 | 2026-9 |
| 1985 | 650 | 千吨 | 2026-9 |
| 1984 | 640 | 千吨 | 2026-9 |
| 1983 | 636 | 千吨 | 2026-9 |
| 1982 | 716 | 千吨 | 2026-9 |
| 1981 | 682 | 千吨 | 2026-9 |
| 1980 | 653 | 千吨 | 2026-9 |
| 1979 | 436 | 千吨 | 2026-9 |
| 1978 | 457 | 千吨 | 2026-9 |
| 1977 | 448 | 千吨 | 2026-9 |
| 1976 | 472 | 千吨 | 2026-9 |
| 1975 | 450 | 千吨 | 2026-9 |
| 1974 | 400 | 千吨 | 2026-9 |
| 1973 | 426 | 千吨 | 2026-9 |
| 1972 | 486 | 千吨 | 2026-9 |
| 1971 | 458 | 千吨 | 2026-9 |
| 1970 | 454 | 千吨 | 2026-9 |
| 1969 | 455 | 千吨 | 2026-9 |
| 1968 | 408 | 千吨 | 2026-9 |
| 1967 | 375 | 千吨 | 2026-9 |
| 1966 | 392 | 千吨 | 2026-9 |
| 1965 | 378 | 千吨 | 2026-9 |
| 1964 | 346 | 千吨 | 2026-9 |