| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 457 | 千吨 | 2026-9 |
| 1991 | 420 | 千吨 | 2026-9 |
| 1990 | 333 | 千吨 | 2026-9 |
| 1989 | 324 | 千吨 | 2026-9 |
| 1988 | 314 | 千吨 | 2026-9 |
| 1987 | 320 | 千吨 | 2026-9 |
| 1986 | 351 | 千吨 | 2026-9 |
| 1985 | 315 | 千吨 | 2026-9 |
| 1984 | 293 | 千吨 | 2026-9 |
| 1983 | 241 | 千吨 | 2026-9 |
| 1982 | 222 | 千吨 | 2026-9 |
| 1981 | 265 | 千吨 | 2026-9 |
| 1980 | 226 | 千吨 | 2026-9 |
| 1979 | 192 | 千吨 | 2026-9 |
| 1978 | 177 | 千吨 | 2026-9 |
| 1977 | 162 | 千吨 | 2026-9 |
| 1976 | 144 | 千吨 | 2026-9 |
| 1975 | 150 | 千吨 | 2026-9 |
| 1974 | 142 | 千吨 | 2026-9 |
| 1973 | 133 | 千吨 | 2026-9 |
| 1972 | 127 | 千吨 | 2026-9 |
| 1971 | 125 | 千吨 | 2026-9 |
| 1970 | 128 | 千吨 | 2026-9 |
| 1969 | 107 | 千吨 | 2026-9 |
| 1968 | 94 | 千吨 | 2026-9 |
| 1967 | 74 | 千吨 | 2026-9 |
| 1966 | 65 | 千吨 | 2026-9 |
| 1965 | 80 | 千吨 | 2026-9 |
| 1964 | 79 | 千吨 | 2026-9 |
| 1963 | 70 | 千吨 | 2026-9 |
| 1962 | 41 | 千吨 | 2026-9 |
| 1961 | 35 | 千吨 | 2026-9 |
| 1960 | 50 | 千吨 | 2026-9 |