| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1993 | 104 | 千吨 | 2026-9 |
| 1992 | 106 | 千吨 | 2026-9 |
| 1991 | 106 | 千吨 | 2026-9 |
| 1990 | 96 | 千吨 | 2026-9 |
| 1989 | 95 | 千吨 | 2026-9 |
| 1988 | 95 | 千吨 | 2026-9 |
| 1987 | 96 | 千吨 | 2026-9 |
| 1986 | 93 | 千吨 | 2026-9 |
| 1985 | 89 | 千吨 | 2026-9 |
| 1984 | 82 | 千吨 | 2026-9 |
| 1983 | 87 | 千吨 | 2026-9 |
| 1982 | 88 | 千吨 | 2026-9 |
| 1981 | 88 | 千吨 | 2026-9 |
| 1980 | 86 | 千吨 | 2026-9 |
| 1979 | 85 | 千吨 | 2026-9 |
| 1978 | 84 | 千吨 | 2026-9 |
| 1977 | 78 | 千吨 | 2026-9 |
| 1976 | 79 | 千吨 | 2026-9 |
| 1975 | 77 | 千吨 | 2026-9 |
| 1974 | 72 | 千吨 | 2026-9 |
| 1973 | 67 | 千吨 | 2026-9 |
| 1972 | 71 | 千吨 | 2026-9 |
| 1971 | 67 | 千吨 | 2026-9 |
| 1970 | 66 | 千吨 | 2026-9 |
| 1969 | 60 | 千吨 | 2026-9 |
| 1968 | 60 | 千吨 | 2026-9 |
| 1967 | 62 | 千吨 | 2026-9 |
| 1966 | 64 | 千吨 | 2026-9 |
| 1965 | 61 | 千吨 | 2026-9 |
| 1964 | 60 | 千吨 | 2026-9 |