| Date | Rate |
|---|---|
| 2019/3/14 | 0.178 |
| 2019/3/13 | 0.175 |
| 2019/3/12 | 0.175 |
| 2019/3/11 | 0.175 |
| 2019/3/8 | 0.181 |
| 2019/3/7 | 0.174 |
| 2019/3/6 | 0.174 |
| 2019/3/5 | 0.177 |
| 2019/3/4 | 0.179 |
| 2019/2/27 | 0.183 |
| 2019/2/26 | 0.180 |
| 2019/2/25 | 0.179 |
| 2019/2/23 | 0.178 |
| 2019/2/22 | 0.177 |
| 2019/2/21 | 0.176 |
| 2019/2/20 | 0.181 |
| 2019/2/19 | 0.176 |
| 2019/2/18 | 0.179 |
| 2019/2/15 | 0.181 |
| 2019/2/14 | 0.178 |
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