| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 106 | 千吨 | 2026-9 |
| 1995 | 160 | 千吨 | 2026-9 |
| 1994 | 97 | 千吨 | 2026-9 |
| 1993 | 127 | 千吨 | 2026-9 |
| 1992 | 142 | 千吨 | 2026-9 |
| 1991 | 142 | 千吨 | 2026-9 |
| 1990 | 125 | 千吨 | 2026-9 |
| 1989 | 121 | 千吨 | 2026-9 |
| 1988 | 108 | 千吨 | 2026-9 |
| 1987 | 134 | 千吨 | 2026-9 |
| 1986 | 183 | 千吨 | 2026-9 |
| 1985 | 189 | 千吨 | 2026-9 |
| 1984 | 272 | 千吨 | 2026-9 |
| 1983 | 271 | 千吨 | 2026-9 |
| 1982 | 194 | 千吨 | 2026-9 |
| 1981 | 149 | 千吨 | 2026-9 |
| 1980 | 159 | 千吨 | 2026-9 |
| 1979 | 261 | 千吨 | 2026-9 |
| 1978 | 279 | 千吨 | 2026-9 |
| 1977 | 277 | 千吨 | 2026-9 |
| 1976 | 268 | 千吨 | 2026-9 |
| 1975 | 208 | 千吨 | 2026-9 |
| 1974 | 181 | 千吨 | 2026-9 |
| 1973 | 181 | 千吨 | 2026-9 |
| 1972 | 142 | 千吨 | 2026-9 |
| 1971 | 117 | 千吨 | 2026-9 |
| 1970 | 171 | 千吨 | 2026-9 |
| 1969 | 175 | 千吨 | 2026-9 |
| 1968 | 172 | 千吨 | 2026-9 |
| 1967 | 130 | 千吨 | 2026-9 |
| 1966 | 124 | 千吨 | 2026-9 |
| 1965 | 108 | 千吨 | 2026-9 |
| 1964 | 58 | 千吨 | 2026-9 |