| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 182 | 千吨 | 2026-9 |
| 1995 | 185 | 千吨 | 2026-9 |
| 1994 | 185 | 千吨 | 2026-9 |
| 1993 | 187 | 千吨 | 2026-9 |
| 1992 | 186 | 千吨 | 2026-9 |
| 1991 | 185 | 千吨 | 2026-9 |
| 1990 | 183 | 千吨 | 2026-9 |
| 1989 | 180 | 千吨 | 2026-9 |
| 1988 | 174 | 千吨 | 2026-9 |
| 1987 | 160 | 千吨 | 2026-9 |
| 1986 | 166 | 千吨 | 2026-9 |
| 1985 | 169 | 千吨 | 2026-9 |
| 1984 | 175 | 千吨 | 2026-9 |
| 1983 | 175 | 千吨 | 2026-9 |
| 1982 | 168 | 千吨 | 2026-9 |
| 1981 | 169 | 千吨 | 2026-9 |
| 1980 | 172 | 千吨 | 2026-9 |
| 1979 | 169 | 千吨 | 2026-9 |
| 1978 | 158 | 千吨 | 2026-9 |
| 1977 | 154 | 千吨 | 2026-9 |
| 1976 | 148 | 千吨 | 2026-9 |
| 1975 | 144 | 千吨 | 2026-9 |
| 1974 | 137 | 千吨 | 2026-9 |
| 1973 | 135 | 千吨 | 2026-9 |
| 1972 | 130 | 千吨 | 2026-9 |
| 1971 | 120 | 千吨 | 2026-9 |
| 1970 | 119 | 千吨 | 2026-9 |
| 1969 | 121 | 千吨 | 2026-9 |
| 1968 | 120 | 千吨 | 2026-9 |
| 1967 | 115 | 千吨 | 2026-9 |
| 1966 | 107 | 千吨 | 2026-9 |
| 1965 | 101 | 千吨 | 2026-9 |
| 1964 | 97 | 千吨 | 2026-9 |