| Date | Rate |
|---|---|
| 2019/6/19 | 0.224 |
| 2019/6/18 | 0.213 |
| 2019/6/17 | 0.216 |
| 2019/6/14 | 0.223 |
| 2019/6/13 | 0.203 |
| 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 |
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