| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 18/07/17 | 2.75 | 8.7% |
| 2 | 18/07/17 | 2.53 | -14.24% |
| 3 | 18/07/16 | 2.95 | 5.36% |
| 4 | 18/07/16 | 2.80 | 9.8% |
| 5 | 18/07/16 | 2.55 | -13.56% |
| 6 | 18/07/15 | 2.95 | 7.27% |
| 7 | 18/07/15 | 2.75 | 10% |
| 8 | 18/07/15 | 2.50 | -15.25% |
| 9 | 18/07/14 | 2.95 | 7.27% |
| 10 | 18/07/14 | 2.75 | 10% |
| 11 | 18/07/14 | 2.50 | -15.25% |
| 12 | 18/07/13 | 2.95 | 6.5% |
| 13 | 18/07/13 | 2.77 | 8.63% |
| 14 | 18/07/13 | 2.55 | -15% |
| 15 | 18/07/12 | 3.00 | % |
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