Date	Rate
2021/06/09	0.080
2021/06/08	0.080
2021/06/07	0.080
2021/06/04	0.082
2021/06/03	0.080
2021/06/02	0.080
2021/06/01	0.080
2021/05/31	0.080
2021/05/28	0.081
2021/05/27	0.079
2021/05/26	0.080
2021/05/25	0.079
2021/05/24	0.079
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