Date	Rate
2014/6/26	0.388
2014/6/25	0.386
2014/6/24	0.387
2014/6/23	0.387
2014/6/20	0.387
2014/6/19	0.387
2014/6/18	0.388
2014/6/17	0.387
2014/6/16	0.387
2014/6/13	0.386
2014/6/12	0.387
2014/6/11	0.387
2014/6/10	0.387
2014/6/9	0.387
2014/6/6	0.386
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