| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 1938 | 千吨 | 2026-9 |
| 1995 | 1809 | 千吨 | 2026-9 |
| 1994 | 1625 | 千吨 | 2026-9 |
| 1993 | 1592 | 千吨 | 2026-9 |
| 1992 | 1627 | 千吨 | 2026-9 |
| 1991 | 1721 | 千吨 | 2026-9 |
| 1990 | 1529 | 千吨 | 2026-9 |
| 1989 | 1430 | 千吨 | 2026-9 |
| 1988 | 1371 | 千吨 | 2026-9 |
| 1987 | 1380 | 千吨 | 2026-9 |
| 1986 | 1322 | 千吨 | 2026-9 |
| 1985 | 1248 | 千吨 | 2026-9 |
| 1984 | 1076 | 千吨 | 2026-9 |
| 1983 | 1138 | 千吨 | 2026-9 |
| 1982 | 1180 | 千吨 | 2026-9 |
| 1981 | 1187 | 千吨 | 2026-9 |
| 1980 | 1146 | 千吨 | 2026-9 |
| 1979 | 667 | 千吨 | 2026-9 |
| 1978 | 685 | 千吨 | 2026-9 |
| 1977 | 674 | 千吨 | 2026-9 |
| 1976 | 707 | 千吨 | 2026-9 |
| 1975 | 671 | 千吨 | 2026-9 |
| 1974 | 610 | 千吨 | 2026-9 |
| 1973 | 605 | 千吨 | 2026-9 |
| 1972 | 587 | 千吨 | 2026-9 |
| 1971 | 566 | 千吨 | 2026-9 |
| 1970 | 598 | 千吨 | 2026-9 |
| 1969 | 592 | 千吨 | 2026-9 |
| 1968 | 546 | 千吨 | 2026-9 |
| 1967 | 500 | 千吨 | 2026-9 |
| 1966 | 504 | 千吨 | 2026-9 |
| 1965 | 518 | 千吨 | 2026-9 |
| 1964 | 362 | 千吨 | 2026-9 |