日期	单位净值
2017-05-05	0.9399
2017-04-28	0.9406
2017-04-21	0.9353
2017-04-14	0.9498
2017-04-07	0.9850
2017-03-31	0.9836
2017-03-24	0.9863
2017-03-17	0.9799
2017-03-10	0.9916
2017-03-03	0.9982
2017-02-28	0.9985
2017-02-24	0.9989
2017-02-17	0.9775
2017-02-10	0.9721
2017-02-03	0.9948
2017-01-26	0.9905