| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 159 | 千吨 | 2026-9 |
| 1991 | 254 | 千吨 | 2026-9 |
| 1990 | 347 | 千吨 | 2026-9 |
| 1989 | 141 | 千吨 | 2026-9 |
| 1988 | 146 | 千吨 | 2026-9 |
| 1987 | 133 | 千吨 | 2026-9 |
| 1986 | 130 | 千吨 | 2026-9 |
| 1985 | 113 | 千吨 | 2026-9 |
| 1984 | 112 | 千吨 | 2026-9 |
| 1983 | 105 | 千吨 | 2026-9 |
| 1982 | 76 | 千吨 | 2026-9 |
| 1981 | 74 | 千吨 | 2026-9 |
| 1980 | 59 | 千吨 | 2026-9 |
| 1979 | 47 | 千吨 | 2026-9 |
| 1978 | 34 | 千吨 | 2026-9 |
| 1977 | 34 | 千吨 | 2026-9 |
| 1976 | 24 | 千吨 | 2026-9 |
| 1975 | 19 | 千吨 | 2026-9 |
| 1974 | 18 | 千吨 | 2026-9 |
| 1973 | 18 | 千吨 | 2026-9 |
| 1972 | 15 | 千吨 | 2026-9 |
| 1971 | 42 | 千吨 | 2026-9 |
| 1970 | 21 | 千吨 | 2026-9 |
| 1969 | 30 | 千吨 | 2026-9 |
| 1968 | 13 | 千吨 | 2026-9 |
| 1967 | 5 | 千吨 | 2026-9 |
| 1966 | 4 | 千吨 | 2026-9 |
| 1965 | 14 | 千吨 | 2026-9 |
| 1964 | 7 | 千吨 | 2026-9 |
| 1963 | 9 | 千吨 | 2026-9 |
| 1962 | 4 | 千吨 | 2026-9 |
| 1961 | 6 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |