| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/12/22 | 4.65 | 1.09% |
| 2 | 20/12/21 | 4.60 | 0% |
| 3 | 20/12/20 | 4.60 | 2.22% |
| 4 | 20/12/19 | 4.50 | -3.23% |
| 5 | 20/12/18 | 4.65 | -1.06% |
| 6 | 20/12/17 | 4.70 | 0% |
| 7 | 20/12/16 | 4.70 | -2.08% |
| 8 | 20/12/15 | 4.80 | 2.13% |
| 9 | 20/12/14 | 4.70 | 3.3% |
| 10 | 20/12/13 | 4.55 | 0% |
| 11 | 20/12/12 | 4.55 | 0% |
| 12 | 20/12/11 | 4.55 | -2.15% |
| 13 | 20/12/10 | 4.65 | 0% |
| 14 | 20/12/09 | 4.65 | 0% |
| 15 | 20/12/08 | 4.65 | % |
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