| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/07/11 | 5.50 | 2.8% |
| 2 | 20/07/11 | 5.35 | -4.46% |
| 3 | 20/07/10 | 5.60 | 3.7% |
| 4 | 20/07/10 | 5.40 | 2.86% |
| 5 | 20/07/10 | 5.25 | -4.55% |
| 6 | 20/07/09 | 5.50 | 3.77% |
| 7 | 20/07/09 | 5.30 | 3.92% |
| 8 | 20/07/09 | 5.10 | -5.56% |
| 9 | 20/07/08 | 5.40 | 3.85% |
| 10 | 20/07/08 | 5.20 | 4% |
| 11 | 20/07/08 | 5.00 | -5.66% |
| 12 | 20/07/07 | 5.30 | 4.95% |
| 13 | 20/07/07 | 5.05 | 5.21% |
| 14 | 20/07/07 | 4.80 | -9.43% |
| 15 | 20/07/06 | 5.30 | % |
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