| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/07/19 | 6.05 | 53.16% |
| 2 | 20/07/19 | 3.95 | -34.71% |
| 3 | 20/07/18 | 6.05 | 53.16% |
| 4 | 20/07/18 | 3.95 | -33.61% |
| 5 | 20/07/17 | 5.95 | 50.63% |
| 6 | 20/07/17 | 3.95 | -26.85% |
| 7 | 20/07/16 | 5.40 | 36.71% |
| 8 | 20/07/16 | 3.95 | -26.85% |
| 9 | 20/07/15 | 5.40 | 36.71% |
| 10 | 20/07/15 | 3.95 | -26.85% |
| 11 | 20/07/14 | 5.40 | 36.71% |
| 12 | 20/07/14 | 3.95 | -28.18% |
| 13 | 20/07/13 | 5.50 | 39.24% |
| 14 | 20/07/13 | 3.95 | -17.71% |
| 15 | 20/07/12 | 4.80 | % |
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