| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/12/18 | 4.20 | 23.53% |
| 2 | 20/12/18 | 3.40 | -27.66% |
| 3 | 20/12/17 | 4.70 | 8.05% |
| 4 | 20/12/17 | 4.35 | 24.29% |
| 5 | 20/12/17 | 3.50 | -25.53% |
| 6 | 20/12/16 | 4.70 | 9.3% |
| 7 | 20/12/16 | 4.30 | 13.16% |
| 8 | 20/12/16 | 3.80 | -20.83% |
| 9 | 20/12/15 | 4.80 | 10.34% |
| 10 | 20/12/15 | 4.35 | 14.47% |
| 11 | 20/12/15 | 3.80 | -19.15% |
| 12 | 20/12/14 | 4.70 | 8.05% |
| 13 | 20/12/14 | 4.35 | 11.54% |
| 14 | 20/12/14 | 3.90 | -14.29% |
| 15 | 20/12/13 | 4.55 | % |
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