| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 21/07/21 | 3.10 | 24% |
| 2 | 21/07/21 | 2.50 | -31.51% |
| 3 | 21/07/20 | 3.65 | 15.87% |
| 4 | 21/07/20 | 3.15 | 18.87% |
| 5 | 21/07/20 | 2.65 | -27.4% |
| 6 | 21/07/19 | 3.65 | 15.87% |
| 7 | 21/07/19 | 3.15 | 18.87% |
| 8 | 21/07/19 | 2.65 | -29.33% |
| 9 | 21/07/18 | 3.75 | 13.64% |
| 10 | 21/07/18 | 3.30 | 15.79% |
| 11 | 21/07/18 | 2.85 | -24% |
| 12 | 21/07/17 | 3.75 | 13.64% |
| 13 | 21/07/17 | 3.30 | 15.79% |
| 14 | 21/07/17 | 2.85 | -24% |
| 15 | 21/07/16 | 3.75 | % |
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