Date	Rate
2011/12/21	0.399
2011/12/20	0.399
2011/12/19	0.399
2011/12/16	0.398
2011/12/15	0.398
2011/12/14	0.399
2011/12/13	0.399
2011/12/12	0.399
2011/12/9	0.398
2011/12/8	0.397
2011/12/7	0.398
2011/12/6	0.397
2011/12/5	0.397
2011/12/2	0.396
2011/12/1	0.397
2011/11/30	0.397
2011/11/29	0.396
2011/11/28	0.396
2011/11/25	0.395
2011/11/24	0.395