| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 70 | 千吨 | 2026-9 |
| 1995 | 185 | 千吨 | 2026-9 |
| 1994 | 141 | 千吨 | 2026-9 |
| 1993 | 189 | 千吨 | 2026-9 |
| 1992 | 251 | 千吨 | 2026-9 |
| 1991 | 80 | 千吨 | 2026-9 |
| 1990 | 110 | 千吨 | 2026-9 |
| 1989 | 138 | 千吨 | 2026-9 |
| 1988 | 92 | 千吨 | 2026-9 |
| 1987 | 135 | 千吨 | 2026-9 |
| 1986 | 147 | 千吨 | 2026-9 |
| 1985 | 216 | 千吨 | 2026-9 |
| 1984 | 226 | 千吨 | 2026-9 |
| 1983 | 119 | 千吨 | 2026-9 |
| 1982 | 94 | 千吨 | 2026-9 |
| 1981 | 134 | 千吨 | 2026-9 |
| 1980 | 144 | 千吨 | 2026-9 |
| 1979 | 184 | 千吨 | 2026-9 |
| 1978 | 162 | 千吨 | 2026-9 |
| 1977 | 172 | 千吨 | 2026-9 |
| 1976 | 158 | 千吨 | 2026-9 |
| 1975 | 121 | 千吨 | 2026-9 |
| 1974 | 84 | 千吨 | 2026-9 |
| 1973 | 119 | 千吨 | 2026-9 |
| 1972 | 40 | 千吨 | 2026-9 |
| 1971 | 47 | 千吨 | 2026-9 |
| 1970 | 39 | 千吨 | 2026-9 |
| 1969 | 33 | 千吨 | 2026-9 |
| 1968 | 34 | 千吨 | 2026-9 |
| 1967 | 27 | 千吨 | 2026-9 |
| 1966 | 22 | 千吨 | 2026-9 |
| 1965 | 10 | 千吨 | 2026-9 |
| 1964 | 10 | 千吨 | 2026-9 |