| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 330 | 千吨 | 2026-9 |
| 1991 | 350 | 千吨 | 2026-9 |
| 1990 | 370 | 千吨 | 2026-9 |
| 1989 | 322 | 千吨 | 2026-9 |
| 1988 | 325 | 千吨 | 2026-9 |
| 1987 | 305 | 千吨 | 2026-9 |
| 1986 | 305 | 千吨 | 2026-9 |
| 1985 | 324 | 千吨 | 2026-9 |
| 1984 | 339 | 千吨 | 2026-9 |
| 1983 | 330 | 千吨 | 2026-9 |
| 1982 | 330 | 千吨 | 2026-9 |
| 1981 | 332 | 千吨 | 2026-9 |
| 1980 | 329 | 千吨 | 2026-9 |
| 1979 | 328 | 千吨 | 2026-9 |
| 1978 | 335 | 千吨 | 2026-9 |
| 1977 | 300 | 千吨 | 2026-9 |
| 1976 | 303 | 千吨 | 2026-9 |
| 1975 | 256 | 千吨 | 2026-9 |
| 1974 | 231 | 千吨 | 2026-9 |
| 1973 | 195 | 千吨 | 2026-9 |
| 1972 | 180 | 千吨 | 2026-9 |
| 1971 | 187 | 千吨 | 2026-9 |
| 1970 | 181 | 千吨 | 2026-9 |
| 1969 | 171 | 千吨 | 2026-9 |
| 1968 | 181 | 千吨 | 2026-9 |
| 1967 | 155 | 千吨 | 2026-9 |
| 1966 | 131 | 千吨 | 2026-9 |
| 1965 | 110 | 千吨 | 2026-9 |
| 1964 | 105 | 千吨 | 2026-9 |
| 1963 | 131 | 千吨 | 2026-9 |
| 1962 | 144 | 千吨 | 2026-9 |
| 1961 | 115 | 千吨 | 2026-9 |
| 1960 | 122 | 千吨 | 2026-9 |