Date	Rate
2015/7/22	0.387
2015/7/21	0.388
2015/7/20	0.388
2015/7/17	0.387
2015/7/16	0.387
2015/7/15	0.387
2015/7/14	0.387
2015/7/13	0.387
2015/7/9	0.387
2015/7/8	0.387
2015/7/7	0.387
2015/7/6	0.388
2015/7/3	0.387
2015/7/2	0.387
2015/7/1	0.387
2015/6/30	0.386
2015/6/29	0.387
2015/6/26	0.388
2015/6/25	0.387
2015/6/24	0.387