| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 20604 | 千吨 | 2026-9 |
| 1995 | 20908 | 千吨 | 2026-9 |
| 1994 | 20579 | 千吨 | 2026-9 |
| 1993 | 20304 | 千吨 | 2026-9 |
| 1992 | 20633 | 千吨 | 2026-9 |
| 1991 | 20417 | 千吨 | 2026-9 |
| 1990 | 20905 | 千吨 | 2026-9 |
| 1989 | 20625 | 千吨 | 2026-9 |
| 1988 | 20850 | 千吨 | 2026-9 |
| 1987 | 21480 | 千吨 | 2026-9 |
| 1986 | 22170 | 千吨 | 2026-9 |
| 1985 | 21617 | 千吨 | 2026-9 |
| 1984 | 22340 | 千吨 | 2026-9 |
| 1983 | 22646 | 千吨 | 2026-9 |
| 1982 | 22085 | 千吨 | 2026-9 |
| 1981 | 21935 | 千吨 | 2026-9 |
| 1980 | 21458 | 千吨 | 2026-9 |
| 1979 | 20932 | 千吨 | 2026-9 |
| 1978 | 19936 | 千吨 | 2026-9 |
| 1977 | 19439 | 千吨 | 2026-9 |
| 1976 | 18730 | 千吨 | 2026-9 |
| 1975 | 18639 | 千吨 | 2026-9 |
| 1974 | 18331 | 千吨 | 2026-9 |
| 1973 | 18660 | 千吨 | 2026-9 |
| 1972 | 18212 | 千吨 | 2026-9 |
| 1971 | 16605 | 千吨 | 2026-9 |
| 1970 | 16285 | 千吨 | 2026-9 |
| 1969 | 18303 | 千吨 | 2026-9 |
| 1968 | 18000 | 千吨 | 2026-9 |
| 1967 | 17500 | 千吨 | 2026-9 |
| 1966 | 17000 | 千吨 | 2026-9 |
| 1965 | 16846 | 千吨 | 2026-9 |
| 1964 | 15400 | 千吨 | 2026-9 |