| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 56 | 千吨 | 2026-9 |
| 1995 | 116 | 千吨 | 2026-9 |
| 1994 | 53 | 千吨 | 2026-9 |
| 1993 | 99 | 千吨 | 2026-9 |
| 1992 | 139 | 千吨 | 2026-9 |
| 1991 | 92 | 千吨 | 2026-9 |
| 1990 | 173 | 千吨 | 2026-9 |
| 1989 | 226 | 千吨 | 2026-9 |
| 1988 | 246 | 千吨 | 2026-9 |
| 1987 | 155 | 千吨 | 2026-9 |
| 1986 | 181 | 千吨 | 2026-9 |
| 1985 | 109 | 千吨 | 2026-9 |
| 1984 | 114 | 千吨 | 2026-9 |
| 1983 | 143 | 千吨 | 2026-9 |
| 1982 | 166 | 千吨 | 2026-9 |
| 1981 | 126 | 千吨 | 2026-9 |
| 1980 | 117 | 千吨 | 2026-9 |
| 1979 | 193 | 千吨 | 2026-9 |
| 1978 | 166 | 千吨 | 2026-9 |
| 1977 | 72 | 千吨 | 2026-9 |
| 1976 | 150 | 千吨 | 2026-9 |
| 1975 | 53 | 千吨 | 2026-9 |
| 1974 | 74 | 千吨 | 2026-9 |
| 1973 | 47 | 千吨 | 2026-9 |
| 1972 | 13 | 千吨 | 2026-9 |
| 1971 | 11 | 千吨 | 2026-9 |
| 1970 | 26 | 千吨 | 2026-9 |
| 1969 | 30 | 千吨 | 2026-9 |
| 1968 | 33 | 千吨 | 2026-9 |
| 1967 | 4 | 千吨 | 2026-9 |
| 1966 | 18 | 千吨 | 2026-9 |
| 1965 | 39 | 千吨 | 2026-9 |
| 1964 | 4 | 千吨 | 2026-9 |