| Date | Rate |
|---|---|
| 2018/4/27 | 0.188 |
| 2018/4/26 | 0.182 |
| 2018/4/25 | 0.183 |
| 2018/4/24 | 0.184 |
| 2018/4/23 | 0.186 |
| 2018/4/20 | 0.187 |
| 2018/4/19 | 0.189 |
| 2018/4/18 | 0.186 |
| 2018/4/17 | 0.189 |
| 2018/4/16 | 0.188 |
| 2018/4/13 | 0.186 |
| 2018/4/12 | 0.181 |
| 2018/4/11 | 0.183 |
| 2018/4/10 | 0.179 |
| 2018/4/9 | 0.176 |
| 2018/4/3 | 0.178 |
| 2018/4/2 | 0.183 |
| 2018/3/31 | 0.179 |
| 2018/3/30 | 0.178 |
| 2018/3/29 | 0.178 |
