| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/09/23 | 7.75 | -3.73% |
| 2 | 20/09/22 | 8.05 | 3.87% |
| 3 | 20/09/21 | 7.75 | 4.03% |
| 4 | 20/09/20 | 7.45 | 4.2% |
| 5 | 20/09/19 | 7.15 | 5.15% |
| 6 | 20/09/18 | 6.80 | 1.49% |
| 7 | 20/09/17 | 6.70 | 1.52% |
| 8 | 20/09/16 | 6.60 | 0% |
| 9 | 20/09/15 | 6.60 | 0.46% |
| 10 | 20/09/14 | 6.57 | 0% |
| 11 | 20/09/13 | 6.57 | -2.67% |
| 12 | 20/09/12 | 6.75 | 0% |
| 13 | 20/09/11 | 6.75 | -0.3% |
| 14 | 20/09/10 | 6.77 | 0% |
| 15 | 20/09/09 | 6.77 | % |
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