| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 116 | 千吨 | 2026-9 |
| 1991 | 112 | 千吨 | 2026-9 |
| 1990 | 107 | 千吨 | 2026-9 |
| 1989 | 106 | 千吨 | 2026-9 |
| 1988 | 94 | 千吨 | 2026-9 |
| 1987 | 82 | 千吨 | 2026-9 |
| 1986 | 86 | 千吨 | 2026-9 |
| 1985 | 71 | 千吨 | 2026-9 |
| 1984 | 68 | 千吨 | 2026-9 |
| 1983 | 56 | 千吨 | 2026-9 |
| 1982 | 56 | 千吨 | 2026-9 |
| 1981 | 63 | 千吨 | 2026-9 |
| 1980 | 70 | 千吨 | 2026-9 |
| 1979 | 74 | 千吨 | 2026-9 |
| 1978 | 87 | 千吨 | 2026-9 |
| 1977 | 79 | 千吨 | 2026-9 |
| 1976 | 84 | 千吨 | 2026-9 |
| 1975 | 79 | 千吨 | 2026-9 |
| 1974 | 75 | 千吨 | 2026-9 |
| 1973 | 79 | 千吨 | 2026-9 |
| 1972 | 88 | 千吨 | 2026-9 |
| 1971 | 101 | 千吨 | 2026-9 |
| 1970 | 104 | 千吨 | 2026-9 |
| 1969 | 103 | 千吨 | 2026-9 |
| 1968 | 96 | 千吨 | 2026-9 |
| 1967 | 98 | 千吨 | 2026-9 |
| 1966 | 98 | 千吨 | 2026-9 |
| 1965 | 81 | 千吨 | 2026-9 |
| 1964 | 80 | 千吨 | 2026-9 |
| 1963 | 71 | 千吨 | 2026-9 |
| 1962 | 88 | 千吨 | 2026-9 |
| 1961 | 78 | 千吨 | 2026-9 |
| 1960 | 75 | 千吨 | 2026-9 |