| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1993 | 70 | 千吨 | 2026-9 |
| 1992 | 70 | 千吨 | 2026-9 |
| 1991 | 69 | 千吨 | 2026-9 |
| 1990 | 71 | 千吨 | 2026-9 |
| 1989 | 78 | 千吨 | 2026-9 |
| 1988 | 76 | 千吨 | 2026-9 |
| 1987 | 85 | 千吨 | 2026-9 |
| 1986 | 80 | 千吨 | 2026-9 |
| 1985 | 76 | 千吨 | 2026-9 |
| 1984 | 97 | 千吨 | 2026-9 |
| 1983 | 102 | 千吨 | 2026-9 |
| 1982 | 110 | 千吨 | 2026-9 |
| 1981 | 112 | 千吨 | 2026-9 |
| 1980 | 122 | 千吨 | 2026-9 |
| 1979 | 109 | 千吨 | 2026-9 |
| 1978 | 123 | 千吨 | 2026-9 |
| 1977 | 109 | 千吨 | 2026-9 |
| 1976 | 125 | 千吨 | 2026-9 |
| 1975 | 108 | 千吨 | 2026-9 |
| 1974 | 101 | 千吨 | 2026-9 |
| 1973 | 111 | 千吨 | 2026-9 |
| 1972 | 82 | 千吨 | 2026-9 |
| 1971 | 95 | 千吨 | 2026-9 |
| 1970 | 97 | 千吨 | 2026-9 |
| 1969 | 95 | 千吨 | 2026-9 |
| 1968 | 93 | 千吨 | 2026-9 |
| 1967 | 88 | 千吨 | 2026-9 |
| 1966 | 83 | 千吨 | 2026-9 |
| 1965 | 93 | 千吨 | 2026-9 |
| 1964 | 100 | 千吨 | 2026-9 |
| 1963 | 105 | 千吨 | 2026-9 |
| 1962 | 101 | 千吨 | 2026-9 |
| 1961 | 97 | 千吨 | 2026-9 |
| 1960 | 99 | 千吨 | 2026-9 |