| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 150 | 千吨 | 2026-9 |
| 1995 | 150 | 千吨 | 2026-9 |
| 1994 | 136 | 千吨 | 2026-9 |
| 1993 | 135 | 千吨 | 2026-9 |
| 1992 | 142 | 千吨 | 2026-9 |
| 1991 | 146 | 千吨 | 2026-9 |
| 1990 | 159 | 千吨 | 2026-9 |
| 1989 | 156 | 千吨 | 2026-9 |
| 1988 | 139 | 千吨 | 2026-9 |
| 1987 | 150 | 千吨 | 2026-9 |
| 1986 | 160 | 千吨 | 2026-9 |
| 1985 | 163 | 千吨 | 2026-9 |
| 1984 | 171 | 千吨 | 2026-9 |
| 1983 | 164 | 千吨 | 2026-9 |
| 1982 | 140 | 千吨 | 2026-9 |
| 1981 | 125 | 千吨 | 2026-9 |
| 1980 | 124 | 千吨 | 2026-9 |
| 1979 | 132 | 千吨 | 2026-9 |
| 1978 | 130 | 千吨 | 2026-9 |
| 1977 | 105 | 千吨 | 2026-9 |
| 1976 | 103 | 千吨 | 2026-9 |
| 1975 | 86 | 千吨 | 2026-9 |
| 1974 | 75 | 千吨 | 2026-9 |
| 1973 | 86 | 千吨 | 2026-9 |
| 1972 | 77 | 千吨 | 2026-9 |
| 1971 | 76 | 千吨 | 2026-9 |
| 1970 | 75 | 千吨 | 2026-9 |
| 1969 | 78 | 千吨 | 2026-9 |
| 1968 | 78 | 千吨 | 2026-9 |
| 1967 | 73 | 千吨 | 2026-9 |
| 1966 | 67 | 千吨 | 2026-9 |
| 1965 | 65 | 千吨 | 2026-9 |
| 1964 | 65 | 千吨 | 2026-9 |