| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 59 | 千吨 | 2026-9 |
| 1995 | 174 | 千吨 | 2026-9 |
| 1994 | 130 | 千吨 | 2026-9 |
| 1993 | 178 | 千吨 | 2026-9 |
| 1992 | 240 | 千吨 | 2026-9 |
| 1991 | 69 | 千吨 | 2026-9 |
| 1990 | 94 | 千吨 | 2026-9 |
| 1989 | 124 | 千吨 | 2026-9 |
| 1988 | 81 | 千吨 | 2026-9 |
| 1987 | 119 | 千吨 | 2026-9 |
| 1986 | 132 | 千吨 | 2026-9 |
| 1985 | 201 | 千吨 | 2026-9 |
| 1984 | 208 | 千吨 | 2026-9 |
| 1983 | 87 | 千吨 | 2026-9 |
| 1982 | 80 | 千吨 | 2026-9 |
| 1981 | 123 | 千吨 | 2026-9 |
| 1980 | 130 | 千吨 | 2026-9 |
| 1979 | 173 | 千吨 | 2026-9 |
| 1978 | 145 | 千吨 | 2026-9 |
| 1977 | 161 | 千吨 | 2026-9 |
| 1976 | 142 | 千吨 | 2026-9 |
| 1975 | 108 | 千吨 | 2026-9 |
| 1974 | 70 | 千吨 | 2026-9 |
| 1973 | 108 | 千吨 | 2026-9 |
| 1972 | 30 | 千吨 | 2026-9 |
| 1971 | 41 | 千吨 | 2026-9 |
| 1970 | 31 | 千吨 | 2026-9 |
| 1969 | 26 | 千吨 | 2026-9 |
| 1968 | 29 | 千吨 | 2026-9 |
| 1967 | 22 | 千吨 | 2026-9 |
| 1966 | 18 | 千吨 | 2026-9 |
| 1965 | 6 | 千吨 | 2026-9 |
| 1964 | 6 | 千吨 | 2026-9 |