| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 142 | 千吨 | 2026-9 |
| 1995 | 142 | 千吨 | 2026-9 |
| 1994 | 145 | 千吨 | 2026-9 |
| 1993 | 144 | 千吨 | 2026-9 |
| 1992 | 135 | 千吨 | 2026-9 |
| 1991 | 125 | 千吨 | 2026-9 |
| 1990 | 129 | 千吨 | 2026-9 |
| 1989 | 122 | 千吨 | 2026-9 |
| 1988 | 125 | 千吨 | 2026-9 |
| 1987 | 121 | 千吨 | 2026-9 |
| 1986 | 119 | 千吨 | 2026-9 |
| 1985 | 118 | 千吨 | 2026-9 |
| 1984 | 122 | 千吨 | 2026-9 |
| 1983 | 123 | 千吨 | 2026-9 |
| 1982 | 111 | 千吨 | 2026-9 |
| 1981 | 111 | 千吨 | 2026-9 |
| 1980 | 110 | 千吨 | 2026-9 |
| 1979 | 108 | 千吨 | 2026-9 |
| 1978 | 103 | 千吨 | 2026-9 |
| 1977 | 101 | 千吨 | 2026-9 |
| 1976 | 98 | 千吨 | 2026-9 |
| 1975 | 93 | 千吨 | 2026-9 |
| 1974 | 85 | 千吨 | 2026-9 |
| 1973 | 77 | 千吨 | 2026-9 |
| 1972 | 73 | 千吨 | 2026-9 |
| 1971 | 74 | 千吨 | 2026-9 |
| 1970 | 74 | 千吨 | 2026-9 |
| 1969 | 73 | 千吨 | 2026-9 |
| 1968 | 66 | 千吨 | 2026-9 |
| 1967 | 66 | 千吨 | 2026-9 |
| 1966 | 63 | 千吨 | 2026-9 |
| 1965 | 65 | 千吨 | 2026-9 |
| 1964 | 61 | 千吨 | 2026-9 |