| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 23/05/19 | 9.00 | -3.74% |
| 2 | 23/05/18 | 9.35 | 3.31% |
| 3 | 23/05/18 | 9.05 | -4.23% |
| 4 | 23/05/17 | 9.45 | 3.28% |
| 5 | 23/05/17 | 9.15 | -3.17% |
| 6 | 23/05/16 | 9.45 | 3.28% |
| 7 | 23/05/16 | 9.15 | -2.14% |
| 8 | 23/05/15 | 9.35 | 2.19% |
| 9 | 23/05/15 | 9.15 | -2.14% |
| 10 | 23/05/14 | 9.35 | 2.19% |
| 11 | 23/05/14 | 9.15 | -2.14% |
| 12 | 23/05/13 | 9.35 | 2.19% |
| 13 | 23/05/13 | 9.15 | -2.45% |
| 14 | 23/05/12 | 9.375 | 1.63% |
| 15 | 23/05/12 | 9.225 | % |
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