| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 119 | 千吨 | 2026-9 |
| 1995 | 134 | 千吨 | 2026-9 |
| 1994 | 144 | 千吨 | 2026-9 |
| 1993 | 129 | 千吨 | 2026-9 |
| 1992 | 153 | 千吨 | 2026-9 |
| 1991 | 115 | 千吨 | 2026-9 |
| 1990 | 92 | 千吨 | 2026-9 |
| 1989 | 150 | 千吨 | 2026-9 |
| 1988 | 211 | 千吨 | 2026-9 |
| 1987 | 147 | 千吨 | 2026-9 |
| 1986 | 78 | 千吨 | 2026-9 |
| 1985 | 105 | 千吨 | 2026-9 |
| 1984 | 119 | 千吨 | 2026-9 |
| 1983 | 82 | 千吨 | 2026-9 |
| 1982 | 80 | 千吨 | 2026-9 |
| 1981 | 81 | 千吨 | 2026-9 |
| 1980 | 90 | 千吨 | 2026-9 |
| 1979 | 119 | 千吨 | 2026-9 |
| 1978 | 83 | 千吨 | 2026-9 |
| 1977 | 51 | 千吨 | 2026-9 |
| 1976 | 66 | 千吨 | 2026-9 |
| 1975 | 53 | 千吨 | 2026-9 |
| 1974 | 36 | 千吨 | 2026-9 |
| 1973 | 48 | 千吨 | 2026-9 |
| 1972 | 38 | 千吨 | 2026-9 |
| 1971 | 32 | 千吨 | 2026-9 |
| 1970 | 46 | 千吨 | 2026-9 |
| 1969 | 42 | 千吨 | 2026-9 |
| 1968 | 38 | 千吨 | 2026-9 |
| 1967 | 28 | 千吨 | 2026-9 |
| 1966 | 24 | 千吨 | 2026-9 |
| 1965 | 21 | 千吨 | 2026-9 |
| 1964 | 18 | 千吨 | 2026-9 |