Date	Rate
2014/6/5	0.387
2014/6/4	0.387
2014/6/3	0.386
2014/5/30	0.398
2014/5/29	0.389
2014/5/28	0.386
2014/5/27	0.387
2014/5/26	0.387
2014/5/23	0.387
2014/5/22	0.387
2014/5/21	0.387
2014/5/20	0.388
2014/5/19	0.387
2014/5/16	0.386
2014/5/15	0.387
2014/5/14	0.387
2014/5/13	0.386
2014/5/12	0.386
2014/5/9	0.387
2014/5/8	0.387