| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 148 | 千吨 | 2026-9 |
| 1991 | 152 | 千吨 | 2026-9 |
| 1990 | 129 | 千吨 | 2026-9 |
| 1989 | 117 | 千吨 | 2026-9 |
| 1988 | 116 | 千吨 | 2026-9 |
| 1987 | 107 | 千吨 | 2026-9 |
| 1986 | 98 | 千吨 | 2026-9 |
| 1985 | 85 | 千吨 | 2026-9 |
| 1984 | 81 | 千吨 | 2026-9 |
| 1983 | 70 | 千吨 | 2026-9 |
| 1982 | 60 | 千吨 | 2026-9 |
| 1981 | 84 | 千吨 | 2026-9 |
| 1980 | 72 | 千吨 | 2026-9 |
| 1979 | 55 | 千吨 | 2026-9 |
| 1978 | 53 | 千吨 | 2026-9 |
| 1977 | 41 | 千吨 | 2026-9 |
| 1976 | 46 | 千吨 | 2026-9 |
| 1975 | 40 | 千吨 | 2026-9 |
| 1974 | 33 | 千吨 | 2026-9 |
| 1973 | 33 | 千吨 | 2026-9 |
| 1972 | 30 | 千吨 | 2026-9 |
| 1971 | 25 | 千吨 | 2026-9 |
| 1970 | 19 | 千吨 | 2026-9 |
| 1969 | 18 | 千吨 | 2026-9 |
| 1968 | 30 | 千吨 | 2026-9 |
| 1967 | 26 | 千吨 | 2026-9 |
| 1966 | 7 | 千吨 | 2026-9 |
| 1965 | 2 | 千吨 | 2026-9 |
| 1964 | 3 | 千吨 | 2026-9 |
| 1963 | 11 | 千吨 | 2026-9 |
| 1962 | 3 | 千吨 | 2026-9 |
| 1961 | 1 | 千吨 | 2026-9 |
| 1960 | 0 | 千吨 | 2026-9 |