Date	Rate
2017/11/28	0.176
2017/11/27	0.180
2017/11/24	0.179
2017/11/23	0.176
2017/11/22	0.177
2017/11/21	0.180
2017/11/20	0.179
2017/11/17	0.183
2017/11/16	0.178
2017/11/15	0.179
2017/11/14	0.178
2017/11/13	0.173
2017/11/10	0.178
2017/11/9	0.174
2017/11/8	0.171
2017/11/7	0.175
2017/11/6	0.172
2017/11/3	0.171
2017/11/2	0.171
2017/11/1	0.175