Date	Rate
2013/9/16	0.386
2013/9/14	0.387
2013/9/13	0.388
2013/9/12	0.387
2013/9/11	0.386
2013/9/10	0.385
2013/9/9	0.386
2013/9/6	0.385
2013/9/5	0.385
2013/9/4	0.384
2013/9/3	0.385
2013/9/2	0.386
2013/8/30	0.385
2013/8/29	0.386
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