Date	Rate
2015/10/8	0.301
2015/10/7	0.301
2015/10/6	0.300
2015/10/5	0.300
2015/10/2	0.301
2015/10/1	0.301
2015/9/30	0.313
2015/9/25	0.302
2015/9/24	0.321
2015/9/23	0.321
2015/9/22	0.321
2015/9/21	0.320
2015/9/18	0.320
2015/9/17	0.321
2015/9/16	0.321
2015/9/15	0.321
2015/9/14	0.321
2015/9/11	0.321
2015/9/10	0.321
2015/9/9	0.321