| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 187 | 千吨 | 2026-9 |
| 1995 | 206 | 千吨 | 2026-9 |
| 1994 | 235 | 千吨 | 2026-9 |
| 1993 | 306 | 千吨 | 2026-9 |
| 1992 | 333 | 千吨 | 2026-9 |
| 1991 | 362 | 千吨 | 2026-9 |
| 1990 | 324 | 千吨 | 2026-9 |
| 1989 | 447 | 千吨 | 2026-9 |
| 1988 | 744 | 千吨 | 2026-9 |
| 1987 | 792 | 千吨 | 2026-9 |
| 1986 | 719 | 千吨 | 2026-9 |
| 1985 | 612 | 千吨 | 2026-9 |
| 1984 | 586 | 千吨 | 2026-9 |
| 1983 | 455 | 千吨 | 2026-9 |
| 1982 | 380 | 千吨 | 2026-9 |
| 1981 | 329 | 千吨 | 2026-9 |
| 1980 | 314 | 千吨 | 2026-9 |
| 1979 | 336 | 千吨 | 2026-9 |
| 1978 | 294 | 千吨 | 2026-9 |
| 1977 | 241 | 千吨 | 2026-9 |
| 1976 | 252 | 千吨 | 2026-9 |
| 1975 | 254 | 千吨 | 2026-9 |
| 1974 | 225 | 千吨 | 2026-9 |
| 1973 | 233 | 千吨 | 2026-9 |
| 1972 | 183 | 千吨 | 2026-9 |
| 1971 | 147 | 千吨 | 2026-9 |
| 1970 | 204 | 千吨 | 2026-9 |
| 1969 | 157 | 千吨 | 2026-9 |
| 1968 | 139 | 千吨 | 2026-9 |
| 1967 | 120 | 千吨 | 2026-9 |
| 1966 | 122 | 千吨 | 2026-9 |
| 1965 | 112 | 千吨 | 2026-9 |
| 1964 | 97 | 千吨 | 2026-9 |