| Date | Rate |
|---|---|
| 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 |
| 2018/5/14 | 0.183 |
| 2018/5/11 | 0.182 |
| 2018/5/10 | 0.186 |
| 2018/5/9 | 0.183 |
| 2018/5/8 | 0.184 |
| 2018/5/7 | 0.179 |
| 2018/5/4 | 0.180 |
| 2018/5/3 | 0.182 |
| 2018/5/2 | 0.183 |
| 2018/4/30 | 0.187 |
