Date	Rate
2023/06/28	0.681
2023/06/27	0.681
2023/06/26	0.680
2023/06/21	0.687
2023/06/20	0.685
2023/06/19	0.682
2023/06/17	0.681
2023/06/16	0.680
2023/06/15	0.684
2023/06/14	0.689
2023/06/13	0.689
2023/06/12	0.688
2023/06/09	0.689
2023/06/08	0.688
2023/06/07	0.687
2023/06/06	0.692
2023/06/05	0.684
2023/06/02	0.692
2023/06/01	0.700
2023/05/31	0.688