Date	Rate
2015/1/7	0.386
2015/1/6	0.386
2015/1/5	0.385
2014/12/31	0.392
2014/12/30	0.388
2014/12/29	0.388
2014/12/27	0.390
2014/12/26	0.391
2014/12/25	0.390
2014/12/24	0.388
2014/12/23	0.388
2014/12/22	0.386
2014/12/19	0.386
2014/12/18	0.386
2014/12/17	0.386
2014/12/16	0.386
2014/12/15	0.388
2014/12/12	0.388
2014/12/11	0.388
2014/12/10	0.385