| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/10/19 | 8.55 | 7.55% |
| 2 | 20/10/19 | 7.95 | -8.62% |
| 3 | 20/10/18 | 8.70 | 5.45% |
| 4 | 20/10/18 | 8.25 | 5.77% |
| 5 | 20/10/18 | 7.80 | -10.34% |
| 6 | 20/10/17 | 8.70 | 5.45% |
| 7 | 20/10/17 | 8.25 | 6.45% |
| 8 | 20/10/17 | 7.75 | -10.92% |
| 9 | 20/10/16 | 8.70 | 5.45% |
| 10 | 20/10/16 | 8.25 | 6.45% |
| 11 | 20/10/16 | 7.75 | -11.93% |
| 12 | 20/10/15 | 8.80 | 4.14% |
| 13 | 20/10/15 | 8.45 | 6.29% |
| 14 | 20/10/15 | 7.95 | -8.09% |
| 15 | 20/10/14 | 8.65 | % |
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