| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 149 | 千吨 | 2026-9 |
| 1995 | 205 | 千吨 | 2026-9 |
| 1994 | 225 | 千吨 | 2026-9 |
| 1993 | 276 | 千吨 | 2026-9 |
| 1992 | 387 | 千吨 | 2026-9 |
| 1991 | 335 | 千吨 | 2026-9 |
| 1990 | 255 | 千吨 | 2026-9 |
| 1989 | 193 | 千吨 | 2026-9 |
| 1988 | 144 | 千吨 | 2026-9 |
| 1987 | 173 | 千吨 | 2026-9 |
| 1986 | 190 | 千吨 | 2026-9 |
| 1985 | 249 | 千吨 | 2026-9 |
| 1984 | 313 | 千吨 | 2026-9 |
| 1983 | 248 | 千吨 | 2026-9 |
| 1982 | 168 | 千吨 | 2026-9 |
| 1981 | 154 | 千吨 | 2026-9 |
| 1980 | 155 | 千吨 | 2026-9 |
| 1979 | 199 | 千吨 | 2026-9 |
| 1978 | 212 | 千吨 | 2026-9 |
| 1977 | 210 | 千吨 | 2026-9 |
| 1976 | 221 | 千吨 | 2026-9 |
| 1975 | 176 | 千吨 | 2026-9 |
| 1974 | 121 | 千吨 | 2026-9 |
| 1973 | 137 | 千吨 | 2026-9 |
| 1972 | 72 | 千吨 | 2026-9 |
| 1971 | 52 | 千吨 | 2026-9 |
| 1970 | 44 | 千吨 | 2026-9 |
| 1969 | 42 | 千吨 | 2026-9 |
| 1968 | 37 | 千吨 | 2026-9 |
| 1967 | 35 | 千吨 | 2026-9 |
| 1966 | 26 | 千吨 | 2026-9 |
| 1965 | 12 | 千吨 | 2026-9 |
| 1964 | 11 | 千吨 | 2026-9 |