| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 449 | 千吨 | 2026-9 |
| 1991 | 435 | 千吨 | 2026-9 |
| 1990 | 359 | 千吨 | 2026-9 |
| 1989 | 369 | 千吨 | 2026-9 |
| 1988 | 344 | 千吨 | 2026-9 |
| 1987 | 320 | 千吨 | 2026-9 |
| 1986 | 292 | 千吨 | 2026-9 |
| 1985 | 250 | 千吨 | 2026-9 |
| 1984 | 285 | 千吨 | 2026-9 |
| 1983 | 280 | 千吨 | 2026-9 |
| 1982 | 224 | 千吨 | 2026-9 |
| 1981 | 299 | 千吨 | 2026-9 |
| 1980 | 277 | 千吨 | 2026-9 |
| 1979 | 270 | 千吨 | 2026-9 |
| 1978 | 249 | 千吨 | 2026-9 |
| 1977 | 226 | 千吨 | 2026-9 |
| 1976 | 217 | 千吨 | 2026-9 |
| 1975 | 234 | 千吨 | 2026-9 |
| 1974 | 243 | 千吨 | 2026-9 |
| 1973 | 225 | 千吨 | 2026-9 |
| 1972 | 205 | 千吨 | 2026-9 |
| 1971 | 187 | 千吨 | 2026-9 |
| 1970 | 163 | 千吨 | 2026-9 |
| 1969 | 92 | 千吨 | 2026-9 |
| 1968 | 71 | 千吨 | 2026-9 |
| 1967 | 58 | 千吨 | 2026-9 |
| 1966 | 35 | 千吨 | 2026-9 |
| 1965 | 21 | 千吨 | 2026-9 |
| 1964 | 9 | 千吨 | 2026-9 |
| 1963 | 20 | 千吨 | 2026-9 |
| 1962 | 26 | 千吨 | 2026-9 |
| 1961 | 14 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |