| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 133 | 千吨 | 2026-9 |
| 1995 | 148 | 千吨 | 2026-9 |
| 1994 | 158 | 千吨 | 2026-9 |
| 1993 | 143 | 千吨 | 2026-9 |
| 1992 | 167 | 千吨 | 2026-9 |
| 1991 | 127 | 千吨 | 2026-9 |
| 1990 | 110 | 千吨 | 2026-9 |
| 1989 | 170 | 千吨 | 2026-9 |
| 1988 | 240 | 千吨 | 2026-9 |
| 1987 | 177 | 千吨 | 2026-9 |
| 1986 | 108 | 千吨 | 2026-9 |
| 1985 | 140 | 千吨 | 2026-9 |
| 1984 | 163 | 千吨 | 2026-9 |
| 1983 | 133 | 千吨 | 2026-9 |
| 1982 | 127 | 千吨 | 2026-9 |
| 1981 | 128 | 千吨 | 2026-9 |
| 1980 | 132 | 千吨 | 2026-9 |
| 1979 | 158 | 千吨 | 2026-9 |
| 1978 | 121 | 千吨 | 2026-9 |
| 1977 | 90 | 千吨 | 2026-9 |
| 1976 | 106 | 千吨 | 2026-9 |
| 1975 | 90 | 千吨 | 2026-9 |
| 1974 | 77 | 千吨 | 2026-9 |
| 1973 | 87 | 千吨 | 2026-9 |
| 1972 | 76 | 千吨 | 2026-9 |
| 1971 | 73 | 千吨 | 2026-9 |
| 1970 | 87 | 千吨 | 2026-9 |
| 1969 | 80 | 千吨 | 2026-9 |
| 1968 | 77 | 千吨 | 2026-9 |
| 1967 | 68 | 千吨 | 2026-9 |
| 1966 | 65 | 千吨 | 2026-9 |
| 1965 | 64 | 千吨 | 2026-9 |
| 1964 | 64 | 千吨 | 2026-9 |