| Date | Rate |
|---|---|
| 2019/4/15 | 0.191 |
| 2019/4/12 | 0.192 |
| 2019/4/11 | 0.186 |
| 2019/4/10 | 0.189 |
| 2019/4/9 | 0.183 |
| 2019/4/8 | 0.187 |
| 2019/4/3 | 0.187 |
| 2019/4/2 | 0.183 |
| 2019/4/1 | 0.179 |
| 2019/3/29 | 0.179 |
| 2019/3/28 | 0.182 |
| 2019/3/27 | 0.182 |
| 2019/3/26 | 0.182 |
| 2019/3/25 | 0.186 |
| 2019/3/22 | 0.183 |
| 2019/3/21 | 0.178 |
| 2019/3/20 | 0.176 |
| 2019/3/19 | 0.175 |
| 2019/3/18 | 0.175 |
| 2019/3/15 | 0.176 |
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