| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 160 | 千吨 | 2026-9 |
| 1995 | 165 | 千吨 | 2026-9 |
| 1994 | 160 | 千吨 | 2026-9 |
| 1993 | 162 | 千吨 | 2026-9 |
| 1992 | 154 | 千吨 | 2026-9 |
| 1991 | 152 | 千吨 | 2026-9 |
| 1990 | 133 | 千吨 | 2026-9 |
| 1989 | 123 | 千吨 | 2026-9 |
| 1988 | 120 | 千吨 | 2026-9 |
| 1987 | 113 | 千吨 | 2026-9 |
| 1986 | 110 | 千吨 | 2026-9 |
| 1985 | 101 | 千吨 | 2026-9 |
| 1984 | 102 | 千吨 | 2026-9 |
| 1983 | 109 | 千吨 | 2026-9 |
| 1982 | 103 | 千吨 | 2026-9 |
| 1981 | 109 | 千吨 | 2026-9 |
| 1980 | 93 | 千吨 | 2026-9 |
| 1979 | 93 | 千吨 | 2026-9 |
| 1978 | 95 | 千吨 | 2026-9 |
| 1977 | 90 | 千吨 | 2026-9 |
| 1976 | 89 | 千吨 | 2026-9 |
| 1975 | 88 | 千吨 | 2026-9 |
| 1974 | 90 | 千吨 | 2026-9 |
| 1973 | 106 | 千吨 | 2026-9 |
| 1972 | 93 | 千吨 | 2026-9 |
| 1971 | 78 | 千吨 | 2026-9 |
| 1970 | 21 | 千吨 | 2026-9 |
| 1969 | 15 | 千吨 | 2026-9 |
| 1968 | 13 | 千吨 | 2026-9 |
| 1967 | 11 | 千吨 | 2026-9 |
| 1966 | 12 | 千吨 | 2026-9 |
| 1965 | 11 | 千吨 | 2026-9 |
| 1964 | 10 | 千吨 | 2026-9 |