Date	Rate
2021/09/16	0.084
2021/09/15	0.082
2021/09/14	0.083
2021/09/13	0.083
2021/09/11	0.105
2021/09/10	0.092
2021/09/09	0.084
2021/09/08	0.081
2021/09/07	0.081
2021/09/06	0.080
2021/09/03	0.082
2021/09/02	0.082
2021/09/01	0.081
2021/08/31	0.081
2021/08/30	0.084
2021/08/27	0.083
2021/08/26	0.083
2021/08/25	0.082
2021/08/24	0.081
2021/08/23	0.084