Date	Rate
2011/10/12	0.394
2011/10/11	0.393
2011/10/7	0.394
2011/10/6	0.394
2011/10/5	0.395
2011/10/4	0.396
2011/10/3	0.396
2011/9/30	0.396
2011/9/29	0.394
2011/9/28	0.394
2011/9/27	0.394
2011/9/26	0.394
2011/9/23	0.393
2011/9/22	0.393
2011/9/21	0.394
2011/9/20	0.393
2011/9/19	0.394
2011/9/16	0.394
2011/9/15	0.394
2011/9/14	0.393