| 年度 | 数值 | 单位 | 发布日期 |
| 1992 | 127 | 千吨 | 2026-9 |
| 1991 | 126 | 千吨 | 2026-9 |
| 1990 | 114 | 千吨 | 2026-9 |
| 1989 | 131 | 千吨 | 2026-9 |
| 1988 | 111 | 千吨 | 2026-9 |
| 1987 | 105 | 千吨 | 2026-9 |
| 1986 | 116 | 千吨 | 2026-9 |
| 1985 | 100 | 千吨 | 2026-9 |
| 1984 | 99 | 千吨 | 2026-9 |
| 1983 | 110 | 千吨 | 2026-9 |
| 1982 | 127 | 千吨 | 2026-9 |
| 1981 | 121 | 千吨 | 2026-9 |
| 1980 | 103 | 千吨 | 2026-9 |
| 1979 | 99 | 千吨 | 2026-9 |
| 1978 | 96 | 千吨 | 2026-9 |
| 1977 | 84 | 千吨 | 2026-9 |
| 1976 | 79 | 千吨 | 2026-9 |
| 1975 | 98 | 千吨 | 2026-9 |
| 1974 | 85 | 千吨 | 2026-9 |
| 1973 | 81 | 千吨 | 2026-9 |
| 1972 | 73 | 千吨 | 2026-9 |
| 1971 | 74 | 千吨 | 2026-9 |
| 1970 | 87 | 千吨 | 2026-9 |
| 1969 | 79 | 千吨 | 2026-9 |
| 1968 | 58 | 千吨 | 2026-9 |
| 1967 | 50 | 千吨 | 2026-9 |
| 1966 | 61 | 千吨 | 2026-9 |
| 1965 | 58 | 千吨 | 2026-9 |
| 1964 | 43 | 千吨 | 2026-9 |
| 1963 | 47 | 千吨 | 2026-9 |
| 1962 | 50 | 千吨 | 2026-9 |
| 1961 | 44 | 千吨 | 2026-9 |
| 1960 | 40 | 千吨 | 2026-9 |