| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 21/02/21 | 4.10 | 13.89% |
| 2 | 21/02/21 | 3.60 | -19.1% |
| 3 | 21/02/20 | 4.45 | 8.54% |
| 4 | 21/02/20 | 4.10 | 13.89% |
| 5 | 21/02/20 | 3.60 | -19.1% |
| 6 | 21/02/19 | 4.45 | 8.54% |
| 7 | 21/02/19 | 4.10 | 13.89% |
| 8 | 21/02/19 | 3.60 | -20% |
| 9 | 21/02/18 | 4.50 | 9.76% |
| 10 | 21/02/18 | 4.10 | 13.89% |
| 11 | 21/02/18 | 3.60 | -20% |
| 12 | 21/02/17 | 4.50 | 9.76% |
| 13 | 21/02/17 | 4.10 | 13.89% |
| 14 | 21/02/17 | 3.60 | -20% |
| 15 | 21/02/16 | 4.50 | % |
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