日期	单位净值
2017-05-12	0.8289
2017-05-05	0.8484
2017-04-28	0.8527
2017-04-21	0.8734
2017-04-20	0.7956
2017-04-14	0.8805
2017-04-07	0.9328
2017-03-31	0.9289
2017-03-24	1.0314
2017-03-20	1.0006
2017-03-17	0.9997
2017-03-10	0.9998