| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 94 | 千吨 | 2026-9 |
| 1995 | 95 | 千吨 | 2026-9 |
| 1994 | 92 | 千吨 | 2026-9 |
| 1993 | 97 | 千吨 | 2026-9 |
| 1992 | 99 | 千吨 | 2026-9 |
| 1991 | 97 | 千吨 | 2026-9 |
| 1990 | 88 | 千吨 | 2026-9 |
| 1989 | 96 | 千吨 | 2026-9 |
| 1988 | 150 | 千吨 | 2026-9 |
| 1987 | 182 | 千吨 | 2026-9 |
| 1986 | 112 | 千吨 | 2026-9 |
| 1985 | 188 | 千吨 | 2026-9 |
| 1984 | 168 | 千吨 | 2026-9 |
| 1983 | 117 | 千吨 | 2026-9 |
| 1982 | 136 | 千吨 | 2026-9 |
| 1981 | 176 | 千吨 | 2026-9 |
| 1980 | 178 | 千吨 | 2026-9 |
| 1979 | 163 | 千吨 | 2026-9 |
| 1978 | 81 | 千吨 | 2026-9 |
| 1977 | 147 | 千吨 | 2026-9 |
| 1976 | 77 | 千吨 | 2026-9 |
| 1975 | 78 | 千吨 | 2026-9 |
| 1974 | 92 | 千吨 | 2026-9 |
| 1973 | 186 | 千吨 | 2026-9 |
| 1972 | 30 | 千吨 | 2026-9 |
| 1971 | 71 | 千吨 | 2026-9 |
| 1970 | 110 | 千吨 | 2026-9 |
| 1969 | 71 | 千吨 | 2026-9 |
| 1968 | 65 | 千吨 | 2026-9 |
| 1967 | 57 | 千吨 | 2026-9 |
| 1966 | 40 | 千吨 | 2026-9 |
| 1965 | 30 | 千吨 | 2026-9 |
| 1964 | 35 | 千吨 | 2026-9 |