| Date | Rate |
|---|---|
| 2018/6/11 | 0.193 |
| 2018/6/8 | 0.193 |
| 2018/6/7 | 0.193 |
| 2018/6/6 | 0.191 |
| 2018/6/5 | 0.188 |
| 2018/6/4 | 0.191 |
| 2018/6/1 | 0.191 |
| 2018/5/31 | 0.190 |
| 2018/5/30 | 0.191 |
| 2018/5/29 | 0.190 |
| 2018/5/28 | 0.190 |
| 2018/5/25 | 0.191 |
| 2018/5/24 | 0.191 |
| 2018/5/23 | 0.189 |
| 2018/5/22 | 0.192 |
| 2018/5/21 | 0.188 |
| 2018/5/18 | 0.188 |
| 2018/5/17 | 0.187 |
| 2018/5/16 | 0.189 |
| 2018/5/15 | 0.185 |
