| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 255 | 千吨 | 2026-9 |
| 1995 | 227 | 千吨 | 2026-9 |
| 1994 | 227 | 千吨 | 2026-9 |
| 1993 | 213 | 千吨 | 2026-9 |
| 1992 | 208 | 千吨 | 2026-9 |
| 1991 | 199 | 千吨 | 2026-9 |
| 1990 | 194 | 千吨 | 2026-9 |
| 1989 | 182 | 千吨 | 2026-9 |
| 1988 | 175 | 千吨 | 2026-9 |
| 1987 | 172 | 千吨 | 2026-9 |
| 1986 | 156 | 千吨 | 2026-9 |
| 1985 | 150 | 千吨 | 2026-9 |
| 1984 | 142 | 千吨 | 2026-9 |
| 1983 | 135 | 千吨 | 2026-9 |
| 1982 | 126 | 千吨 | 2026-9 |
| 1981 | 111 | 千吨 | 2026-9 |
| 1980 | 107 | 千吨 | 2026-9 |
| 1979 | 102 | 千吨 | 2026-9 |
| 1978 | 101 | 千吨 | 2026-9 |
| 1977 | 91 | 千吨 | 2026-9 |
| 1976 | 83 | 千吨 | 2026-9 |
| 1975 | 87 | 千吨 | 2026-9 |
| 1974 | 82 | 千吨 | 2026-9 |
| 1973 | 81 | 千吨 | 2026-9 |
| 1972 | 77 | 千吨 | 2026-9 |
| 1971 | 69 | 千吨 | 2026-9 |
| 1970 | 64 | 千吨 | 2026-9 |
| 1969 | 57 | 千吨 | 2026-9 |
| 1968 | 55 | 千吨 | 2026-9 |
| 1967 | 52 | 千吨 | 2026-9 |
| 1966 | 43 | 千吨 | 2026-9 |
| 1965 | 40 | 千吨 | 2026-9 |
| 1964 | 30 | 千吨 | 2026-9 |