| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 23/02/18 | 6.50 | -12.16% |
| 2 | 23/02/17 | 7.40 | 12.12% |
| 3 | 23/02/17 | 6.60 | -9.59% |
| 4 | 23/02/16 | 7.30 | 15.87% |
| 5 | 23/02/16 | 6.30 | -11.89% |
| 6 | 23/02/15 | 7.15 | 14.4% |
| 7 | 23/02/15 | 6.25 | -12.59% |
| 8 | 23/02/14 | 7.15 | 15.32% |
| 9 | 23/02/14 | 6.20 | -13.29% |
| 10 | 23/02/13 | 7.15 | 15.32% |
| 11 | 23/02/13 | 6.20 | -13.29% |
| 12 | 23/02/12 | 7.15 | 15.32% |
| 13 | 23/02/12 | 6.20 | -13.89% |
| 14 | 23/02/11 | 7.20 | 16.13% |
| 15 | 23/02/11 | 6.20 | % |
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