| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 962 | 千吨 | 2026-9 |
| 1991 | 822 | 千吨 | 2026-9 |
| 1990 | 645 | 千吨 | 2026-9 |
| 1989 | 606 | 千吨 | 2026-9 |
| 1988 | 605 | 千吨 | 2026-9 |
| 1987 | 543 | 千吨 | 2026-9 |
| 1986 | 511 | 千吨 | 2026-9 |
| 1985 | 515 | 千吨 | 2026-9 |
| 1984 | 489 | 千吨 | 2026-9 |
| 1983 | 499 | 千吨 | 2026-9 |
| 1982 | 464 | 千吨 | 2026-9 |
| 1981 | 447 | 千吨 | 2026-9 |
| 1980 | 424 | 千吨 | 2026-9 |
| 1979 | 360 | 千吨 | 2026-9 |
| 1978 | 357 | 千吨 | 2026-9 |
| 1977 | 330 | 千吨 | 2026-9 |
| 1976 | 325 | 千吨 | 2026-9 |
| 1975 | 334 | 千吨 | 2026-9 |
| 1974 | 343 | 千吨 | 2026-9 |
| 1973 | 304 | 千吨 | 2026-9 |
| 1972 | 295 | 千吨 | 2026-9 |
| 1971 | 231 | 千吨 | 2026-9 |
| 1970 | 171 | 千吨 | 2026-9 |
| 1969 | 105 | 千吨 | 2026-9 |
| 1968 | 80 | 千吨 | 2026-9 |
| 1967 | 64 | 千吨 | 2026-9 |
| 1966 | 70 | 千吨 | 2026-9 |
| 1965 | 50 | 千吨 | 2026-9 |
| 1964 | 27 | 千吨 | 2026-9 |
| 1963 | 41 | 千吨 | 2026-9 |
| 1962 | 59 | 千吨 | 2026-9 |
| 1961 | 47 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |