| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/09/19 | 6.85 | 3.79% |
| 2 | 20/09/19 | 6.60 | -2.94% |
| 3 | 20/09/18 | 6.80 | 3.03% |
| 4 | 20/09/18 | 6.60 | 3.94% |
| 5 | 20/09/18 | 6.35 | -5.22% |
| 6 | 20/09/17 | 6.70 | 3.08% |
| 7 | 20/09/17 | 6.50 | 4% |
| 8 | 20/09/17 | 6.25 | -5.3% |
| 9 | 20/09/16 | 6.60 | 3.12% |
| 10 | 20/09/16 | 6.40 | 4.07% |
| 11 | 20/09/16 | 6.15 | -6.82% |
| 12 | 20/09/15 | 6.60 | 3.12% |
| 13 | 20/09/15 | 6.40 | 3.23% |
| 14 | 20/09/15 | 6.20 | -5.63% |
| 15 | 20/09/14 | 6.57 | % |
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