| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998 | 700 | 千吨 | 2026-9 |
| 1997 | 650 | 千吨 | 2026-9 |
| 1996 | 700 | 千吨 | 2026-9 |
| 1995 | 750 | 千吨 | 2026-9 |
| 1994 | 720 | 千吨 | 2026-9 |
| 1993 | 820 | 千吨 | 2026-9 |
| 1992 | 720 | 千吨 | 2026-9 |
| 1991 | 1000 | 千吨 | 2026-9 |
| 1990 | 964 | 千吨 | 2026-9 |
| 1989 | 800 | 千吨 | 2026-9 |
| 1988 | 560 | 千吨 | 2026-9 |
| 1987 | 700 | 千吨 | 2026-9 |
| 1986 | 806 | 千吨 | 2026-9 |
| 1985 | 1024 | 千吨 | 2026-9 |
| 1984 | 792 | 千吨 | 2026-9 |
| 1983 | 760 | 千吨 | 2026-9 |
| 1982 | 747 | 千吨 | 2026-9 |
| 1981 | 825 | 千吨 | 2026-9 |
| 1980 | 885 | 千吨 | 2026-9 |
| 1979 | 1000 | 千吨 | 2026-9 |
| 1978 | 976 | 千吨 | 2026-9 |
| 1977 | 1036 | 千吨 | 2026-9 |
| 1976 | 1190 | 千吨 | 2026-9 |
| 1975 | 1453 | 千吨 | 2026-9 |
| 1974 | 1500 | 千吨 | 2026-9 |
| 1973 | 1430 | 千吨 | 2026-9 |
| 1972 | 1415 | 千吨 | 2026-9 |
| 1971 | 1400 | 千吨 | 2026-9 |
| 1970 | 1365 | 千吨 | 2026-9 |
| 1969 | 1517 | 千吨 | 2026-9 |
| 1968 | 1462 | 千吨 | 2026-9 |
| 1967 | 1451 | 千吨 | 2026-9 |
| 1966 | 1379 | 千吨 | 2026-9 |
| 1965 | 1241 | 千吨 | 2026-9 |
| 1964 | 1224 | 千吨 | 2026-9 |