Date	Rate
2013/6/18	0.385
2013/6/17	0.386
2013/6/14	0.386
2013/6/13	0.386
2013/6/11	0.385
2013/6/10	0.386
2013/6/7	0.386
2013/6/6	0.385
2013/6/5	0.387
2013/6/4	0.386
2013/6/3	0.387
2013/5/31	0.386
2013/5/30	0.387
2013/5/29	0.387
2013/5/28	0.386
2013/5/27	0.386
2013/5/24	0.386
2013/5/23	0.386
2013/5/22	0.387
2013/5/21	0.385