| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 182 | 千吨 | 2026-9 |
| 1995 | 166 | 千吨 | 2026-9 |
| 1994 | 163 | 千吨 | 2026-9 |
| 1993 | 169 | 千吨 | 2026-9 |
| 1992 | 166 | 千吨 | 2026-9 |
| 1991 | 162 | 千吨 | 2026-9 |
| 1990 | 163 | 千吨 | 2026-9 |
| 1989 | 161 | 千吨 | 2026-9 |
| 1988 | 156 | 千吨 | 2026-9 |
| 1987 | 144 | 千吨 | 2026-9 |
| 1986 | 158 | 千吨 | 2026-9 |
| 1985 | 157 | 千吨 | 2026-9 |
| 1984 | 153 | 千吨 | 2026-9 |
| 1983 | 151 | 千吨 | 2026-9 |
| 1982 | 149 | 千吨 | 2026-9 |
| 1981 | 151 | 千吨 | 2026-9 |
| 1980 | 151 | 千吨 | 2026-9 |
| 1979 | 142 | 千吨 | 2026-9 |
| 1978 | 133 | 千吨 | 2026-9 |
| 1977 | 137 | 千吨 | 2026-9 |
| 1976 | 129 | 千吨 | 2026-9 |
| 1975 | 128 | 千吨 | 2026-9 |
| 1974 | 119 | 千吨 | 2026-9 |
| 1973 | 119 | 千吨 | 2026-9 |
| 1972 | 112 | 千吨 | 2026-9 |
| 1971 | 107 | 千吨 | 2026-9 |
| 1970 | 108 | 千吨 | 2026-9 |
| 1969 | 106 | 千吨 | 2026-9 |
| 1968 | 99 | 千吨 | 2026-9 |
| 1967 | 96 | 千吨 | 2026-9 |
| 1966 | 93 | 千吨 | 2026-9 |
| 1965 | 87 | 千吨 | 2026-9 |
| 1964 | 85 | 千吨 | 2026-9 |