Date	Rate
2013/8/28	0.385
2013/8/27	0.387
2013/8/26	0.385
2013/8/23	0.385
2013/8/22	0.385
2013/8/20	0.386
2013/8/19	0.386
2013/8/16	0.385
2013/8/15	0.387
2013/8/14	0.385
2013/8/13	0.385
2013/8/12	0.386
2013/8/9	0.385
2013/8/8	0.386
2013/8/7	0.385
2013/8/6	0.385
2013/8/5	0.385
2013/8/2	0.387
2013/8/1	0.385
2013/7/31	0.387