| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1993 | 80 | 千吨 | 2026-9 |
| 1992 | 82 | 千吨 | 2026-9 |
| 1991 | 81 | 千吨 | 2026-9 |
| 1990 | 77 | 千吨 | 2026-9 |
| 1989 | 77 | 千吨 | 2026-9 |
| 1988 | 78 | 千吨 | 2026-9 |
| 1987 | 77 | 千吨 | 2026-9 |
| 1986 | 74 | 千吨 | 2026-9 |
| 1985 | 70 | 千吨 | 2026-9 |
| 1984 | 67 | 千吨 | 2026-9 |
| 1983 | 77 | 千吨 | 2026-9 |
| 1982 | 69 | 千吨 | 2026-9 |
| 1981 | 73 | 千吨 | 2026-9 |
| 1980 | 69 | 千吨 | 2026-9 |
| 1979 | 70 | 千吨 | 2026-9 |
| 1978 | 68 | 千吨 | 2026-9 |
| 1977 | 63 | 千吨 | 2026-9 |
| 1976 | 61 | 千吨 | 2026-9 |
| 1975 | 60 | 千吨 | 2026-9 |
| 1974 | 58 | 千吨 | 2026-9 |
| 1973 | 54 | 千吨 | 2026-9 |
| 1972 | 56 | 千吨 | 2026-9 |
| 1971 | 53 | 千吨 | 2026-9 |
| 1970 | 53 | 千吨 | 2026-9 |
| 1969 | 47 | 千吨 | 2026-9 |
| 1968 | 48 | 千吨 | 2026-9 |
| 1967 | 48 | 千吨 | 2026-9 |
| 1966 | 52 | 千吨 | 2026-9 |
| 1965 | 45 | 千吨 | 2026-9 |
| 1964 | 44 | 千吨 | 2026-9 |