| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 281 | 千吨 | 2026-9 |
| 1991 | 266 | 千吨 | 2026-9 |
| 1990 | 269 | 千吨 | 2026-9 |
| 1989 | 251 | 千吨 | 2026-9 |
| 1988 | 251 | 千吨 | 2026-9 |
| 1987 | 242 | 千吨 | 2026-9 |
| 1986 | 246 | 千吨 | 2026-9 |
| 1985 | 205 | 千吨 | 2026-9 |
| 1984 | 191 | 千吨 | 2026-9 |
| 1983 | 202 | 千吨 | 2026-9 |
| 1982 | 197 | 千吨 | 2026-9 |
| 1981 | 185 | 千吨 | 2026-9 |
| 1980 | 164 | 千吨 | 2026-9 |
| 1979 | 149 | 千吨 | 2026-9 |
| 1978 | 156 | 千吨 | 2026-9 |
| 1977 | 149 | 千吨 | 2026-9 |
| 1976 | 142 | 千吨 | 2026-9 |
| 1975 | 139 | 千吨 | 2026-9 |
| 1974 | 126 | 千吨 | 2026-9 |
| 1973 | 117 | 千吨 | 2026-9 |
| 1972 | 115 | 千吨 | 2026-9 |
| 1971 | 105 | 千吨 | 2026-9 |
| 1970 | 96 | 千吨 | 2026-9 |
| 1969 | 100 | 千吨 | 2026-9 |
| 1968 | 96 | 千吨 | 2026-9 |
| 1967 | 92 | 千吨 | 2026-9 |
| 1966 | 78 | 千吨 | 2026-9 |
| 1965 | 82 | 千吨 | 2026-9 |
| 1964 | 81 | 千吨 | 2026-9 |
| 1963 | 83 | 千吨 | 2026-9 |
| 1962 | 81 | 千吨 | 2026-9 |
| 1961 | 86 | 千吨 | 2026-9 |
| 1960 | 84 | 千吨 | 2026-9 |