Date	Rate
2021/07/08	0.082
2021/07/07	0.081
2021/07/06	0.081
2021/07/05	0.080
2021/07/02	0.081
2021/07/01	0.082
2021/06/30	0.087
2021/06/29	0.082
2021/06/28	0.081
2021/06/25	0.086
2021/06/24	0.080
2021/06/23	0.080
2021/06/22	0.080
2021/06/21	0.081
2021/06/18	0.083
2021/06/17	0.082
2021/06/16	0.080
2021/06/15	0.080
2021/06/11	0.080
2021/06/10	0.080