| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 23/07/18 | 7.40 | -14.94% |
| 2 | 23/07/17 | 8.70 | 12.26% |
| 3 | 23/07/17 | 7.75 | -12.92% |
| 4 | 23/07/16 | 8.90 | 6.59% |
| 5 | 23/07/16 | 8.35 | -8.24% |
| 6 | 23/07/15 | 9.10 | 7.69% |
| 7 | 23/07/15 | 8.45 | -7.14% |
| 8 | 23/07/14 | 9.10 | 7.06% |
| 9 | 23/07/14 | 8.50 | -7.61% |
| 10 | 23/07/13 | 9.20 | 6.36% |
| 11 | 23/07/13 | 8.65 | -5.98% |
| 12 | 23/07/12 | 9.20 | 6.36% |
| 13 | 23/07/12 | 8.65 | -5.98% |
| 14 | 23/07/11 | 9.20 | 6.36% |
| 15 | 23/07/11 | 8.65 | % |
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