| Date | Rate |
|---|---|
| 2019/2/22 | 0.177 |
| 2019/2/21 | 0.176 |
| 2019/2/20 | 0.181 |
| 2019/2/19 | 0.176 |
| 2019/2/18 | 0.179 |
| 2019/2/15 | 0.181 |
| 2019/2/14 | 0.178 |
| 2019/2/13 | 0.181 |
| 2019/2/12 | 0.179 |
| 2019/2/11 | 0.178 |
| 2019/2/1 | 0.194 |
| 2019/1/31 | 0.185 |
| 2019/1/30 | 0.181 |
| 2019/1/29 | 0.180 |
| 2019/1/28 | 0.180 |
| 2019/1/25 | 0.181 |
| 2019/1/24 | 0.183 |
| 2019/1/23 | 0.182 |
| 2019/1/22 | 0.180 |
| 2019/1/21 | 0.179 |
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