Date	Rate
2023/02/21	0.556
2023/02/20	0.555
2023/02/18	0.555
2023/02/17	0.557
2023/02/16	0.555
2023/02/15	0.555
2023/02/14	0.555
2023/02/13	0.556
2023/02/10	0.556
2023/02/09	0.556
2023/02/08	0.556
2023/02/07	0.557
2023/02/06	0.558
2023/02/04	0.557
2023/02/03	0.556
2023/02/02	0.555
2023/02/01	0.556
2023/01/31	0.556
2023/01/30	0.555
2023/01/19	0.621