| 年度 | 数值 | 单位 | 发布日期 |
| 1994 | 163 | 千吨 | 2026-9 |
| 1993 | 157 | 千吨 | 2026-9 |
| 1992 | 161 | 千吨 | 2026-9 |
| 1991 | 164 | 千吨 | 2026-9 |
| 1990 | 163 | 千吨 | 2026-9 |
| 1989 | 158 | 千吨 | 2026-9 |
| 1988 | 161 | 千吨 | 2026-9 |
| 1987 | 160 | 千吨 | 2026-9 |
| 1986 | 160 | 千吨 | 2026-9 |
| 1985 | 154 | 千吨 | 2026-9 |
| 1984 | 151 | 千吨 | 2026-9 |
| 1983 | 148 | 千吨 | 2026-9 |
| 1982 | 146 | 千吨 | 2026-9 |
| 1981 | 139 | 千吨 | 2026-9 |
| 1980 | 140 | 千吨 | 2026-9 |
| 1979 | 143 | 千吨 | 2026-9 |
| 1978 | 146 | 千吨 | 2026-9 |
| 1977 | 128 | 千吨 | 2026-9 |
| 1976 | 126 | 千吨 | 2026-9 |
| 1975 | 128 | 千吨 | 2026-9 |
| 1974 | 117 | 千吨 | 2026-9 |
| 1973 | 116 | 千吨 | 2026-9 |
| 1972 | 102 | 千吨 | 2026-9 |
| 1971 | 103 | 千吨 | 2026-9 |
| 1970 | 96 | 千吨 | 2026-9 |
| 1969 | 85 | 千吨 | 2026-9 |
| 1968 | 79 | 千吨 | 2026-9 |
| 1967 | 78 | 千吨 | 2026-9 |
| 1966 | 73 | 千吨 | 2026-9 |
| 1965 | 67 | 千吨 | 2026-9 |
| 1964 | 66 | 千吨 | 2026-9 |
| 1963 | 66 | 千吨 | 2026-9 |
| 1962 | 66 | 千吨 | 2026-9 |
| 1961 | 62 | 千吨 | 2026-9 |
| 1960 | 54 | 千吨 | 2026-9 |