| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 479 | 千吨 | 2026-9 |
| 1991 | 396 | 千吨 | 2026-9 |
| 1990 | 340 | 千吨 | 2026-9 |
| 1989 | 313 | 千吨 | 2026-9 |
| 1988 | 309 | 千吨 | 2026-9 |
| 1987 | 312 | 千吨 | 2026-9 |
| 1986 | 300 | 千吨 | 2026-9 |
| 1985 | 301 | 千吨 | 2026-9 |
| 1984 | 285 | 千吨 | 2026-9 |
| 1983 | 258 | 千吨 | 2026-9 |
| 1982 | 245 | 千吨 | 2026-9 |
| 1981 | 256 | 千吨 | 2026-9 |
| 1980 | 298 | 千吨 | 2026-9 |
| 1979 | 254 | 千吨 | 2026-9 |
| 1978 | 247 | 千吨 | 2026-9 |
| 1977 | 268 | 千吨 | 2026-9 |
| 1976 | 264 | 千吨 | 2026-9 |
| 1975 | 232 | 千吨 | 2026-9 |
| 1974 | 210 | 千吨 | 2026-9 |
| 1973 | 272 | 千吨 | 2026-9 |
| 1972 | 284 | 千吨 | 2026-9 |
| 1971 | 198 | 千吨 | 2026-9 |
| 1970 | 208 | 千吨 | 2026-9 |
| 1969 | 211 | 千吨 | 2026-9 |
| 1968 | 200 | 千吨 | 2026-9 |
| 1967 | 157 | 千吨 | 2026-9 |
| 1966 | 146 | 千吨 | 2026-9 |
| 1965 | 147 | 千吨 | 2026-9 |
| 1964 | 118 | 千吨 | 2026-9 |
| 1963 | 91 | 千吨 | 2026-9 |
| 1962 | 106 | 千吨 | 2026-9 |
| 1961 | 84 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |