Date	Rate
2015/6/23	0.387
2015/6/22	0.387
2015/6/18	0.387
2015/6/17	0.387
2015/6/16	0.387
2015/6/15	0.388
2015/6/12	0.388
2015/6/11	0.387
2015/6/10	0.388
2015/6/9	0.388
2015/6/8	0.388
2015/6/5	0.388
2015/6/4	0.388
2015/6/3	0.388
2015/6/2	0.388
2015/6/1	0.387
2015/5/29	0.388
2015/5/28	0.387
2015/5/27	0.388
2015/5/26	0.388