| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 708 | 千吨 | 2026-9 |
| 1991 | 554 | 千吨 | 2026-9 |
| 1990 | 527 | 千吨 | 2026-9 |
| 1989 | 504 | 千吨 | 2026-9 |
| 1988 | 465 | 千吨 | 2026-9 |
| 1987 | 463 | 千吨 | 2026-9 |
| 1986 | 464 | 千吨 | 2026-9 |
| 1985 | 436 | 千吨 | 2026-9 |
| 1984 | 350 | 千吨 | 2026-9 |
| 1983 | 365 | 千吨 | 2026-9 |
| 1982 | 356 | 千吨 | 2026-9 |
| 1981 | 298 | 千吨 | 2026-9 |
| 1980 | 344 | 千吨 | 2026-9 |
| 1979 | 311 | 千吨 | 2026-9 |
| 1978 | 272 | 千吨 | 2026-9 |
| 1977 | 252 | 千吨 | 2026-9 |
| 1976 | 262 | 千吨 | 2026-9 |
| 1975 | 240 | 千吨 | 2026-9 |
| 1974 | 228 | 千吨 | 2026-9 |
| 1973 | 207 | 千吨 | 2026-9 |
| 1972 | 151 | 千吨 | 2026-9 |
| 1971 | 135 | 千吨 | 2026-9 |
| 1970 | 106 | 千吨 | 2026-9 |
| 1969 | 82 | 千吨 | 2026-9 |
| 1968 | 78 | 千吨 | 2026-9 |
| 1967 | 87 | 千吨 | 2026-9 |
| 1966 | 67 | 千吨 | 2026-9 |
| 1965 | 35 | 千吨 | 2026-9 |
| 1964 | 29 | 千吨 | 2026-9 |
| 1963 | 42 | 千吨 | 2026-9 |
| 1962 | 34 | 千吨 | 2026-9 |
| 1961 | 11 | 千吨 | 2026-9 |
| 1960 | 24 | 千吨 | 2026-9 |