| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 119 | 千吨 | 2026-9 |
| 1991 | 104 | 千吨 | 2026-9 |
| 1990 | 85 | 千吨 | 2026-9 |
| 1989 | 68 | 千吨 | 2026-9 |
| 1988 | 76 | 千吨 | 2026-9 |
| 1987 | 69 | 千吨 | 2026-9 |
| 1986 | 69 | 千吨 | 2026-9 |
| 1985 | 75 | 千吨 | 2026-9 |
| 1984 | 62 | 千吨 | 2026-9 |
| 1983 | 65 | 千吨 | 2026-9 |
| 1982 | 73 | 千吨 | 2026-9 |
| 1981 | 95 | 千吨 | 2026-9 |
| 1980 | 125 | 千吨 | 2026-9 |
| 1979 | 102 | 千吨 | 2026-9 |
| 1978 | 92 | 千吨 | 2026-9 |
| 1977 | 92 | 千吨 | 2026-9 |
| 1976 | 80 | 千吨 | 2026-9 |
| 1975 | 64 | 千吨 | 2026-9 |
| 1974 | 52 | 千吨 | 2026-9 |
| 1973 | 105 | 千吨 | 2026-9 |
| 1972 | 99 | 千吨 | 2026-9 |
| 1971 | 54 | 千吨 | 2026-9 |
| 1970 | 58 | 千吨 | 2026-9 |
| 1969 | 72 | 千吨 | 2026-9 |
| 1968 | 63 | 千吨 | 2026-9 |
| 1967 | 53 | 千吨 | 2026-9 |
| 1966 | 42 | 千吨 | 2026-9 |
| 1965 | 35 | 千吨 | 2026-9 |
| 1964 | 38 | 千吨 | 2026-9 |
| 1963 | 22 | 千吨 | 2026-9 |
| 1962 | 26 | 千吨 | 2026-9 |
| 1961 | 23 | 千吨 | 2026-9 |
| 1960 | 16 | 千吨 | 2026-9 |