Date	Rate
2021/11/16	0.081
2021/11/15	0.083
2021/11/12	0.084
2021/11/11	0.083
2021/11/10	0.084
2021/11/09	0.084
2021/11/08	0.081
2021/11/05	0.084
2021/11/04	0.081
2021/11/03	0.080
2021/11/02	0.081
2021/11/01	0.082
2021/10/29	0.082
2021/10/28	0.081
2021/10/27	0.081
2021/10/26	0.081
2021/10/25	0.082
2021/10/22	0.083
2021/10/21	0.083
2021/10/20	0.083