| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 677 | 千吨 | 2026-9 |
| 1991 | 957 | 千吨 | 2026-9 |
| 1990 | 679 | 千吨 | 2026-9 |
| 1989 | 605 | 千吨 | 2026-9 |
| 1988 | 473 | 千吨 | 2026-9 |
| 1987 | 462 | 千吨 | 2026-9 |
| 1986 | 579 | 千吨 | 2026-9 |
| 1985 | 434 | 千吨 | 2026-9 |
| 1984 | 448 | 千吨 | 2026-9 |
| 1983 | 358 | 千吨 | 2026-9 |
| 1982 | 345 | 千吨 | 2026-9 |
| 1981 | 388 | 千吨 | 2026-9 |
| 1980 | 354 | 千吨 | 2026-9 |
| 1979 | 326 | 千吨 | 2026-9 |
| 1978 | 221 | 千吨 | 2026-9 |
| 1977 | 194 | 千吨 | 2026-9 |
| 1976 | 148 | 千吨 | 2026-9 |
| 1975 | 142 | 千吨 | 2026-9 |
| 1974 | 121 | 千吨 | 2026-9 |
| 1973 | 83 | 千吨 | 2026-9 |
| 1972 | 50 | 千吨 | 2026-9 |
| 1971 | 60 | 千吨 | 2026-9 |
| 1970 | 60 | 千吨 | 2026-9 |
| 1969 | 53 | 千吨 | 2026-9 |
| 1968 | 34 | 千吨 | 2026-9 |
| 1967 | 18 | 千吨 | 2026-9 |
| 1966 | 7 | 千吨 | 2026-9 |
| 1965 | 5 | 千吨 | 2026-9 |
| 1964 | 11 | 千吨 | 2026-9 |
| 1963 | 13 | 千吨 | 2026-9 |
| 1962 | 13 | 千吨 | 2026-9 |
| 1961 | 11 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |