Date	Rate
2021/05/21	0.080
2021/05/20	0.080
2021/05/19	0.080
2021/05/18	0.080
2021/05/17	0.080
2021/05/14	0.081
2021/05/13	0.080
2021/05/12	0.080
2021/05/11	0.080
2021/05/10	0.080
2021/05/07	0.081
2021/05/06	0.080
2021/05/05	0.080
2021/05/04	0.079
2021/05/03	0.080
2021/04/29	0.081
2021/04/28	0.080
2021/04/27	0.080
2021/04/26	0.080
2021/04/23	0.080