| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/07/18 | 6.05 | 1.68% |
| 2 | 20/07/17 | 5.95 | 10.19% |
| 3 | 20/07/16 | 5.40 | 0% |
| 4 | 20/07/15 | 5.40 | 0% |
| 5 | 20/07/14 | 5.40 | -1.82% |
| 6 | 20/07/13 | 5.50 | 14.58% |
| 7 | 20/07/12 | 4.80 | 0% |
| 8 | 20/07/11 | 4.80 | 9.09% |
| 9 | 20/07/10 | 4.40 | 0% |
| 10 | 20/07/09 | 4.40 | 1.15% |
| 11 | 20/07/08 | 4.35 | 0% |
| 12 | 20/07/07 | 4.35 | 4.82% |
| 13 | 20/07/06 | 4.15 | 0% |
| 14 | 20/07/05 | 4.15 | 0% |
| 15 | 20/07/04 | 4.15 | % |
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