Date	Rate
2021/10/25	0.082
2021/10/22	0.083
2021/10/21	0.083
2021/10/20	0.083
2021/10/19	0.085
2021/10/18	0.083
2021/10/15	0.086
2021/10/14	0.085
2021/10/13	0.084
2021/10/12	0.083
2021/10/08	0.094
2021/10/07	0.085
2021/10/06	0.083
2021/10/05	0.082
2021/10/04	0.082
2021/10/01	0.086
2021/09/30	0.096
2021/09/29	0.103
2021/09/28	0.092
2021/09/27	0.084