| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 18/08/18 | 2.05 | 13.89% |
| 2 | 18/08/18 | 1.80 | -12.2% |
| 3 | 18/08/17 | 2.05 | 13.89% |
| 4 | 18/08/17 | 1.80 | -12.2% |
| 5 | 18/08/16 | 2.05 | 13.89% |
| 6 | 18/08/16 | 1.80 | -12.2% |
| 7 | 18/08/15 | 2.05 | 13.89% |
| 8 | 18/08/15 | 1.80 | -21.74% |
| 9 | 18/08/14 | 2.30 | 21.05% |
| 10 | 18/08/14 | 1.90 | -17.39% |
| 11 | 18/08/13 | 2.30 | 21.05% |
| 12 | 18/08/13 | 1.90 | -17.39% |
| 13 | 18/08/12 | 2.30 | 21.05% |
| 14 | 18/08/12 | 1.90 | -17.39% |
| 15 | 18/08/11 | 2.30 | % |
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