| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 865 | 千吨 | 2026-9 |
| 1995 | 848 | 千吨 | 2026-9 |
| 1994 | 870 | 千吨 | 2026-9 |
| 1993 | 865 | 千吨 | 2026-9 |
| 1992 | 860 | 千吨 | 2026-9 |
| 1991 | 860 | 千吨 | 2026-9 |
| 1990 | 902 | 千吨 | 2026-9 |
| 1989 | 850 | 千吨 | 2026-9 |
| 1988 | 860 | 千吨 | 2026-9 |
| 1987 | 854 | 千吨 | 2026-9 |
| 1986 | 890 | 千吨 | 2026-9 |
| 1985 | 887 | 千吨 | 2026-9 |
| 1984 | 863 | 千吨 | 2026-9 |
| 1983 | 863 | 千吨 | 2026-9 |
| 1982 | 862 | 千吨 | 2026-9 |
| 1981 | 760 | 千吨 | 2026-9 |
| 1980 | 747 | 千吨 | 2026-9 |
| 1979 | 599 | 千吨 | 2026-9 |
| 1978 | 659 | 千吨 | 2026-9 |
| 1977 | 635 | 千吨 | 2026-9 |
| 1976 | 629 | 千吨 | 2026-9 |
| 1975 | 625 | 千吨 | 2026-9 |
| 1974 | 657 | 千吨 | 2026-9 |
| 1973 | 611 | 千吨 | 2026-9 |
| 1972 | 544 | 千吨 | 2026-9 |
| 1971 | 544 | 千吨 | 2026-9 |
| 1970 | 519 | 千吨 | 2026-9 |
| 1969 | 505 | 千吨 | 2026-9 |
| 1968 | 481 | 千吨 | 2026-9 |
| 1967 | 500 | 千吨 | 2026-9 |
| 1966 | 560 | 千吨 | 2026-9 |
| 1965 | 452 | 千吨 | 2026-9 |
| 1964 | 422 | 千吨 | 2026-9 |