| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 177 | 千吨 | 2026-9 |
| 1995 | 177 | 千吨 | 2026-9 |
| 1994 | 172 | 千吨 | 2026-9 |
| 1993 | 178 | 千吨 | 2026-9 |
| 1992 | 146 | 千吨 | 2026-9 |
| 1991 | 129 | 千吨 | 2026-9 |
| 1990 | 122 | 千吨 | 2026-9 |
| 1989 | 110 | 千吨 | 2026-9 |
| 1988 | 104 | 千吨 | 2026-9 |
| 1987 | 103 | 千吨 | 2026-9 |
| 1986 | 101 | 千吨 | 2026-9 |
| 1985 | 91 | 千吨 | 2026-9 |
| 1984 | 112 | 千吨 | 2026-9 |
| 1983 | 96 | 千吨 | 2026-9 |
| 1982 | 91 | 千吨 | 2026-9 |
| 1981 | 91 | 千吨 | 2026-9 |
| 1980 | 92 | 千吨 | 2026-9 |
| 1979 | 87 | 千吨 | 2026-9 |
| 1978 | 85 | 千吨 | 2026-9 |
| 1977 | 79 | 千吨 | 2026-9 |
| 1976 | 72 | 千吨 | 2026-9 |
| 1975 | 66 | 千吨 | 2026-9 |
| 1974 | 63 | 千吨 | 2026-9 |
| 1973 | 60 | 千吨 | 2026-9 |
| 1972 | 55 | 千吨 | 2026-9 |
| 1971 | 53 | 千吨 | 2026-9 |
| 1970 | 48 | 千吨 | 2026-9 |
| 1969 | 44 | 千吨 | 2026-9 |
| 1968 | 40 | 千吨 | 2026-9 |
| 1967 | 35 | 千吨 | 2026-9 |
| 1966 | 36 | 千吨 | 2026-9 |
| 1965 | 32 | 千吨 | 2026-9 |
| 1964 | 29 | 千吨 | 2026-9 |