| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 25/07/22 | 3.90 | 9.86% |
| 2 | 25/07/22 | 3.55 | -7.79% |
| 3 | 25/07/21 | 3.85 | 8.45% |
| 4 | 25/07/21 | 3.55 | -7.79% |
| 5 | 25/07/20 | 3.85 | 8.45% |
| 6 | 25/07/20 | 3.55 | -8.97% |
| 7 | 25/07/19 | 3.90 | 8.33% |
| 8 | 25/07/19 | 3.60 | -6.49% |
| 9 | 25/07/18 | 3.85 | 8.45% |
| 10 | 25/07/18 | 3.55 | -7.79% |
| 11 | 25/07/17 | 3.85 | 5.48% |
| 12 | 25/07/17 | 3.65 | -5.19% |
| 13 | 25/07/16 | 3.85 | 5.48% |
| 14 | 25/07/16 | 3.65 | -5.19% |
| 15 | 25/07/15 | 3.85 | % |
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