Date	Rate
2021/04/15	0.080
2021/04/14	0.080
2021/04/13	0.080
2021/04/12	0.080
2021/04/09	0.081
2021/04/08	0.080
2021/04/07	0.080
2021/04/06	0.080
2021/04/01	0.083
2021/03/31	0.080
2021/03/30	0.081
2021/03/29	0.081
2021/03/26	0.082
2021/03/25	0.080
2021/03/24	0.080
2021/03/23	0.080
2021/03/22	0.080
2021/03/19	0.081
2021/03/18	0.080
2021/03/17	0.080