| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 150 | 千吨 | 2026-9 |
| 1995 | 151 | 千吨 | 2026-9 |
| 1994 | 152 | 千吨 | 2026-9 |
| 1993 | 147 | 千吨 | 2026-9 |
| 1992 | 137 | 千吨 | 2026-9 |
| 1991 | 129 | 千吨 | 2026-9 |
| 1990 | 133 | 千吨 | 2026-9 |
| 1989 | 126 | 千吨 | 2026-9 |
| 1988 | 128 | 千吨 | 2026-9 |
| 1987 | 125 | 千吨 | 2026-9 |
| 1986 | 123 | 千吨 | 2026-9 |
| 1985 | 123 | 千吨 | 2026-9 |
| 1984 | 128 | 千吨 | 2026-9 |
| 1983 | 126 | 千吨 | 2026-9 |
| 1982 | 114 | 千吨 | 2026-9 |
| 1981 | 113 | 千吨 | 2026-9 |
| 1980 | 111 | 千吨 | 2026-9 |
| 1979 | 111 | 千吨 | 2026-9 |
| 1978 | 106 | 千吨 | 2026-9 |
| 1977 | 104 | 千吨 | 2026-9 |
| 1976 | 101 | 千吨 | 2026-9 |
| 1975 | 96 | 千吨 | 2026-9 |
| 1974 | 88 | 千吨 | 2026-9 |
| 1973 | 80 | 千吨 | 2026-9 |
| 1972 | 76 | 千吨 | 2026-9 |
| 1971 | 76 | 千吨 | 2026-9 |
| 1970 | 75 | 千吨 | 2026-9 |
| 1969 | 73 | 千吨 | 2026-9 |
| 1968 | 70 | 千吨 | 2026-9 |
| 1967 | 70 | 千吨 | 2026-9 |
| 1966 | 67 | 千吨 | 2026-9 |
| 1965 | 68 | 千吨 | 2026-9 |
| 1964 | 66 | 千吨 | 2026-9 |