| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998 | 12500 | 千吨 | 2026-9 |
| 1997 | 11980 | 千吨 | 2026-9 |
| 1996 | 11690 | 千吨 | 2026-9 |
| 1995 | 11420 | 千吨 | 2026-9 |
| 1994 | 11822 | 千吨 | 2026-9 |
| 1993 | 12650 | 千吨 | 2026-9 |
| 1992 | 13060 | 千吨 | 2026-9 |
| 1991 | 14504 | 千吨 | 2026-9 |
| 1990 | 15801 | 千吨 | 2026-9 |
| 1989 | 16371 | 千吨 | 2026-9 |
| 1988 | 15450 | 千吨 | 2026-9 |
| 1987 | 15467 | 千吨 | 2026-9 |
| 1986 | 15747 | 千吨 | 2026-9 |
| 1985 | 16585 | 千吨 | 2026-9 |
| 1984 | 16795 | 千吨 | 2026-9 |
| 1983 | 16097 | 千吨 | 2026-9 |
| 1982 | 15293 | 千吨 | 2026-9 |
| 1981 | 15341 | 千吨 | 2026-9 |
| 1980 | 16448 | 千吨 | 2026-9 |
| 1979 | 16909 | 千吨 | 2026-9 |
| 1978 | 17072 | 千吨 | 2026-9 |
| 1977 | 16880 | 千吨 | 2026-9 |
| 1976 | 16472 | 千吨 | 2026-9 |
| 1975 | 16328 | 千吨 | 2026-9 |
| 1974 | 16618 | 千吨 | 2026-9 |
| 1973 | 16196 | 千吨 | 2026-9 |
| 1972 | 15719 | 千吨 | 2026-9 |
| 1971 | 15103 | 千吨 | 2026-9 |
| 1970 | 14905 | 千吨 | 2026-9 |
| 1969 | 14743 | 千吨 | 2026-9 |
| 1968 | 14628 | 千吨 | 2026-9 |
| 1967 | 14480 | 千吨 | 2026-9 |
| 1966 | 14221 | 千吨 | 2026-9 |
| 1965 | 13331 | 千吨 | 2026-9 |
| 1964 | 12592 | 千吨 | 2026-9 |