| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 235 | 千吨 | 2026-9 |
| 1991 | 200 | 千吨 | 2026-9 |
| 1990 | 219 | 千吨 | 2026-9 |
| 1989 | 242 | 千吨 | 2026-9 |
| 1988 | 252 | 千吨 | 2026-9 |
| 1987 | 257 | 千吨 | 2026-9 |
| 1986 | 220 | 千吨 | 2026-9 |
| 1985 | 220 | 千吨 | 2026-9 |
| 1984 | 222 | 千吨 | 2026-9 |
| 1983 | 222 | 千吨 | 2026-9 |
| 1982 | 196 | 千吨 | 2026-9 |
| 1981 | 143 | 千吨 | 2026-9 |
| 1980 | 210 | 千吨 | 2026-9 |
| 1979 | 207 | 千吨 | 2026-9 |
| 1978 | 237 | 千吨 | 2026-9 |
| 1977 | 230 | 千吨 | 2026-9 |
| 1976 | 214 | 千吨 | 2026-9 |
| 1975 | 175 | 千吨 | 2026-9 |
| 1974 | 163 | 千吨 | 2026-9 |
| 1973 | 155 | 千吨 | 2026-9 |
| 1972 | 135 | 千吨 | 2026-9 |
| 1971 | 140 | 千吨 | 2026-9 |
| 1970 | 159 | 千吨 | 2026-9 |
| 1969 | 142 | 千吨 | 2026-9 |
| 1968 | 133 | 千吨 | 2026-9 |
| 1967 | 114 | 千吨 | 2026-9 |
| 1966 | 99 | 千吨 | 2026-9 |
| 1965 | 93 | 千吨 | 2026-9 |
| 1964 | 80 | 千吨 | 2026-9 |
| 1963 | 83 | 千吨 | 2026-9 |
| 1962 | 62 | 千吨 | 2026-9 |
| 1961 | 47 | 千吨 | 2026-9 |
| 1960 | 29 | 千吨 | 2026-9 |