| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 102 | 千吨 | 2026-9 |
| 1995 | 160 | 千吨 | 2026-9 |
| 1994 | 92 | 千吨 | 2026-9 |
| 1993 | 124 | 千吨 | 2026-9 |
| 1992 | 139 | 千吨 | 2026-9 |
| 1991 | 127 | 千吨 | 2026-9 |
| 1990 | 103 | 千吨 | 2026-9 |
| 1989 | 117 | 千吨 | 2026-9 |
| 1988 | 105 | 千吨 | 2026-9 |
| 1987 | 131 | 千吨 | 2026-9 |
| 1986 | 176 | 千吨 | 2026-9 |
| 1985 | 182 | 千吨 | 2026-9 |
| 1984 | 262 | 千吨 | 2026-9 |
| 1983 | 251 | 千吨 | 2026-9 |
| 1982 | 185 | 千吨 | 2026-9 |
| 1981 | 142 | 千吨 | 2026-9 |
| 1980 | 148 | 千吨 | 2026-9 |
| 1979 | 249 | 千吨 | 2026-9 |
| 1978 | 193 | 千吨 | 2026-9 |
| 1977 | 189 | 千吨 | 2026-9 |
| 1976 | 156 | 千吨 | 2026-9 |
| 1975 | 95 | 千吨 | 2026-9 |
| 1974 | 128 | 千吨 | 2026-9 |
| 1973 | 151 | 千吨 | 2026-9 |
| 1972 | 116 | 千吨 | 2026-9 |
| 1971 | 112 | 千吨 | 2026-9 |
| 1970 | 170 | 千吨 | 2026-9 |
| 1969 | 145 | 千吨 | 2026-9 |
| 1968 | 135 | 千吨 | 2026-9 |
| 1967 | 116 | 千吨 | 2026-9 |
| 1966 | 121 | 千吨 | 2026-9 |
| 1965 | 105 | 千吨 | 2026-9 |
| 1964 | 57 | 千吨 | 2026-9 |