| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 127 | 千吨 | 2026-9 |
| 1995 | 119 | 千吨 | 2026-9 |
| 1994 | 135 | 千吨 | 2026-9 |
| 1993 | 139 | 千吨 | 2026-9 |
| 1992 | 131 | 千吨 | 2026-9 |
| 1991 | 188 | 千吨 | 2026-9 |
| 1990 | 200 | 千吨 | 2026-9 |
| 1989 | 140 | 千吨 | 2026-9 |
| 1988 | 100 | 千吨 | 2026-9 |
| 1987 | 129 | 千吨 | 2026-9 |
| 1986 | 156 | 千吨 | 2026-9 |
| 1985 | 161 | 千吨 | 2026-9 |
| 1984 | 184 | 千吨 | 2026-9 |
| 1983 | 174 | 千吨 | 2026-9 |
| 1982 | 147 | 千吨 | 2026-9 |
| 1981 | 143 | 千吨 | 2026-9 |
| 1980 | 140 | 千吨 | 2026-9 |
| 1979 | 149 | 千吨 | 2026-9 |
| 1978 | 173 | 千吨 | 2026-9 |
| 1977 | 145 | 千吨 | 2026-9 |
| 1976 | 164 | 千吨 | 2026-9 |
| 1975 | 135 | 千吨 | 2026-9 |
| 1974 | 102 | 千吨 | 2026-9 |
| 1973 | 103 | 千吨 | 2026-9 |
| 1972 | 66 | 千吨 | 2026-9 |
| 1971 | 47 | 千吨 | 2026-9 |
| 1970 | 34 | 千吨 | 2026-9 |
| 1969 | 38 | 千吨 | 2026-9 |
| 1968 | 29 | 千吨 | 2026-9 |
| 1967 | 31 | 千吨 | 2026-9 |
| 1966 | 24 | 千吨 | 2026-9 |
| 1965 | 11 | 千吨 | 2026-9 |
| 1964 | 10 | 千吨 | 2026-9 |