| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/07/18 | 5.55 | -3.48% |
| 2 | 20/07/17 | 5.75 | 0% |
| 3 | 20/07/16 | 5.75 | 11.65% |
| 4 | 20/07/15 | 5.15 | 8.42% |
| 5 | 20/07/14 | 4.75 | -2.06% |
| 6 | 20/07/13 | 4.85 | 2.11% |
| 7 | 20/07/12 | 4.75 | 0% |
| 8 | 20/07/11 | 4.75 | 7.95% |
| 9 | 20/07/10 | 4.40 | 0% |
| 10 | 20/07/09 | 4.40 | 3.53% |
| 11 | 20/07/08 | 4.25 | 2.41% |
| 12 | 20/07/07 | 4.15 | 4.27% |
| 13 | 20/07/06 | 3.98 | 1.27% |
| 14 | 20/07/05 | 3.93 | 0% |
| 15 | 20/07/04 | 3.93 | % |
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