| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 165 | 千吨 | 2026-9 |
| 1995 | 150 | 千吨 | 2026-9 |
| 1994 | 147 | 千吨 | 2026-9 |
| 1993 | 143 | 千吨 | 2026-9 |
| 1992 | 146 | 千吨 | 2026-9 |
| 1991 | 139 | 千吨 | 2026-9 |
| 1990 | 125 | 千吨 | 2026-9 |
| 1989 | 120 | 千吨 | 2026-9 |
| 1988 | 124 | 千吨 | 2026-9 |
| 1987 | 147 | 千吨 | 2026-9 |
| 1986 | 130 | 千吨 | 2026-9 |
| 1985 | 135 | 千吨 | 2026-9 |
| 1984 | 119 | 千吨 | 2026-9 |
| 1983 | 126 | 千吨 | 2026-9 |
| 1982 | 126 | 千吨 | 2026-9 |
| 1981 | 127 | 千吨 | 2026-9 |
| 1980 | 120 | 千吨 | 2026-9 |
| 1979 | 121 | 千吨 | 2026-9 |
| 1978 | 115 | 千吨 | 2026-9 |
| 1977 | 126 | 千吨 | 2026-9 |
| 1976 | 123 | 千吨 | 2026-9 |
| 1975 | 118 | 千吨 | 2026-9 |
| 1974 | 124 | 千吨 | 2026-9 |
| 1973 | 122 | 千吨 | 2026-9 |
| 1972 | 107 | 千吨 | 2026-9 |
| 1971 | 110 | 千吨 | 2026-9 |
| 1970 | 105 | 千吨 | 2026-9 |
| 1969 | 104 | 千吨 | 2026-9 |
| 1968 | 106 | 千吨 | 2026-9 |
| 1967 | 93 | 千吨 | 2026-9 |
| 1966 | 94 | 千吨 | 2026-9 |
| 1965 | 99 | 千吨 | 2026-9 |
| 1964 | 83 | 千吨 | 2026-9 |