日期	单位净值
2017-05-05	0.9664
2017-04-28	0.9651
2017-04-21	0.9702
2017-04-14	0.9874
2017-04-07	0.9983
2017-03-31	0.9946
2017-03-24	1.0039
2017-03-17	1.0057
2017-03-10	1.0037
2017-03-03	1.0006
2017-02-28	1.0043
2017-02-24	1.0037
2017-02-17	0.9990
2017-02-10	0.9998