| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 193 | 千吨 | 2026-9 |
| 1995 | 191 | 千吨 | 2026-9 |
| 1994 | 194 | 千吨 | 2026-9 |
| 1993 | 184 | 千吨 | 2026-9 |
| 1992 | 175 | 千吨 | 2026-9 |
| 1991 | 166 | 千吨 | 2026-9 |
| 1990 | 169 | 千吨 | 2026-9 |
| 1989 | 166 | 千吨 | 2026-9 |
| 1988 | 168 | 千吨 | 2026-9 |
| 1987 | 162 | 千吨 | 2026-9 |
| 1986 | 163 | 千吨 | 2026-9 |
| 1985 | 166 | 千吨 | 2026-9 |
| 1984 | 170 | 千吨 | 2026-9 |
| 1983 | 166 | 千吨 | 2026-9 |
| 1982 | 154 | 千吨 | 2026-9 |
| 1981 | 148 | 千吨 | 2026-9 |
| 1980 | 143 | 千吨 | 2026-9 |
| 1979 | 143 | 千吨 | 2026-9 |
| 1978 | 137 | 千吨 | 2026-9 |
| 1977 | 129 | 千吨 | 2026-9 |
| 1976 | 124 | 千吨 | 2026-9 |
| 1975 | 119 | 千吨 | 2026-9 |
| 1974 | 110 | 千吨 | 2026-9 |
| 1973 | 103 | 千吨 | 2026-9 |
| 1972 | 100 | 千吨 | 2026-9 |
| 1971 | 98 | 千吨 | 2026-9 |
| 1970 | 92 | 千吨 | 2026-9 |
| 1969 | 92 | 千吨 | 2026-9 |
| 1968 | 91 | 千吨 | 2026-9 |
| 1967 | 91 | 千吨 | 2026-9 |
| 1966 | 88 | 千吨 | 2026-9 |
| 1965 | 88 | 千吨 | 2026-9 |
| 1964 | 86 | 千吨 | 2026-9 |