日期	单位净值
2017-05-12	0.5658
2017-05-05	0.5815
2017-04-28	0.5780
2017-04-21	0.5864
2017-04-20	0.5952
2017-04-14	0.6341
2017-04-07	0.6459
2017-03-31	0.6230
2017-03-24	0.6540
2017-03-20	0.6626
2017-03-17	0.6603
2017-03-10	0.6803
2017-03-03	0.6900
2017-02-24	0.7040
2017-02-20	0.6751
2017-02-17	0.6761