| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 449 | 千吨 | 2026-9 |
| 1991 | 444 | 千吨 | 2026-9 |
| 1990 | 440 | 千吨 | 2026-9 |
| 1989 | 445 | 千吨 | 2026-9 |
| 1988 | 447 | 千吨 | 2026-9 |
| 1987 | 430 | 千吨 | 2026-9 |
| 1986 | 435 | 千吨 | 2026-9 |
| 1985 | 373 | 千吨 | 2026-9 |
| 1984 | 368 | 千吨 | 2026-9 |
| 1983 | 335 | 千吨 | 2026-9 |
| 1982 | 311 | 千吨 | 2026-9 |
| 1981 | 287 | 千吨 | 2026-9 |
| 1980 | 289 | 千吨 | 2026-9 |
| 1979 | 255 | 千吨 | 2026-9 |
| 1978 | 257 | 千吨 | 2026-9 |
| 1977 | 239 | 千吨 | 2026-9 |
| 1976 | 228 | 千吨 | 2026-9 |
| 1975 | 219 | 千吨 | 2026-9 |
| 1974 | 213 | 千吨 | 2026-9 |
| 1973 | 191 | 千吨 | 2026-9 |
| 1972 | 185 | 千吨 | 2026-9 |
| 1971 | 191 | 千吨 | 2026-9 |
| 1970 | 197 | 千吨 | 2026-9 |
| 1969 | 212 | 千吨 | 2026-9 |
| 1968 | 147 | 千吨 | 2026-9 |
| 1967 | 114 | 千吨 | 2026-9 |
| 1966 | 124 | 千吨 | 2026-9 |
| 1965 | 95 | 千吨 | 2026-9 |
| 1964 | 100 | 千吨 | 2026-9 |
| 1963 | 76 | 千吨 | 2026-9 |
| 1962 | 10 | 千吨 | 2026-9 |
| 1961 | 43 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |