| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 19/07/22 | 4.20 | 12% |
| 2 | 19/07/22 | 3.75 | -15.73% |
| 3 | 19/07/21 | 4.45 | 5.95% |
| 4 | 19/07/21 | 4.20 | 11.41% |
| 5 | 19/07/21 | 3.77 | -15.28% |
| 6 | 19/07/20 | 4.45 | 4.71% |
| 7 | 19/07/20 | 4.25 | 10.39% |
| 8 | 19/07/20 | 3.85 | -13.48% |
| 9 | 19/07/19 | 4.45 | 4.71% |
| 10 | 19/07/19 | 4.25 | 10.39% |
| 11 | 19/07/19 | 3.85 | -11.49% |
| 12 | 19/07/18 | 4.35 | 4.82% |
| 13 | 19/07/18 | 4.15 | 8.36% |
| 14 | 19/07/18 | 3.83 | -11.95% |
| 15 | 19/07/17 | 4.35 | % |
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