| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 25/12/19 | 3.10 | 14.81% |
| 2 | 25/12/19 | 2.70 | -11.48% |
| 3 | 25/12/18 | 3.05 | 15.09% |
| 4 | 25/12/18 | 2.65 | -14.52% |
| 5 | 25/12/17 | 3.10 | 12.73% |
| 6 | 25/12/17 | 2.75 | -11.29% |
| 7 | 25/12/16 | 3.10 | 12.73% |
| 8 | 25/12/16 | 2.75 | -11.29% |
| 9 | 25/12/15 | 3.10 | 12.73% |
| 10 | 25/12/15 | 2.75 | -3.51% |
| 11 | 25/12/14 | 2.85 | 21.28% |
| 12 | 25/12/14 | 2.35 | -17.54% |
| 13 | 25/12/13 | 2.85 | 21.28% |
| 14 | 25/12/13 | 2.35 | -14.55% |
| 15 | 25/12/12 | 2.75 | % |
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