| Date | Rate |
|---|---|
| 2019/6/12 | 0.199 |
| 2019/6/11 | 0.195 |
| 2019/6/10 | 0.188 |
| 2019/6/6 | 0.196 |
| 2019/6/5 | 0.185 |
| 2019/6/4 | 0.188 |
| 2019/6/3 | 0.188 |
| 2019/5/31 | 0.209 |
| 2019/5/30 | 0.207 |
| 2019/5/29 | 0.217 |
| 2019/5/28 | 0.196 |
| 2019/5/27 | 0.184 |
| 2019/5/24 | 0.177 |
| 2019/5/23 | 0.182 |
| 2019/5/22 | 0.175 |
| 2019/5/21 | 0.180 |
| 2019/5/20 | 0.178 |
| 2019/5/17 | 0.183 |
| 2019/5/16 | 0.185 |
| 2019/5/15 | 0.185 |
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