Date	Rate
2013/3/14	0.387
2013/3/13	0.387
2013/3/12	0.387
2013/3/11	0.386
2013/3/8	0.388
2013/3/7	0.388
2013/3/6	0.388
2013/3/5	0.388
2013/3/4	0.388
2013/3/1	0.391
2013/2/27	0.389
2013/2/26	0.386
2013/2/25	0.388
2013/2/23	0.388
2013/2/22	0.388
2013/2/21	0.386
2013/2/20	0.385
2013/2/19	0.386
2013/2/18	0.386
2013/2/8	0.389