日期	单位净值
2017-07-17	0.8708
2017-07-14	0.8711
2017-07-07	0.8707
2017-06-30	0.8703
2017-06-23	0.8700
2017-06-16	0.8698
2017-06-15	0.8697
2017-06-09	0.8700
2017-05-26	0.8693
2017-05-19	0.8691
2017-05-15	0.8688
2017-05-12	0.8691
2017-05-05	0.8687
2017-04-28	0.8682
2017-04-21	0.8678
2017-04-17	0.8675