日期	单位净值
2017-07-21	0.9642
2017-07-14	0.9703
2017-07-07	0.9690
2017-06-30	0.9689
2017-06-23	0.9648
2017-06-16	0.9657
2017-06-09	0.9667
2017-06-02	0.9597
2017-05-26	0.9517
2017-05-19	0.9653
2017-05-12	0.9709
2017-05-05	0.9756
2017-04-28	0.9808
2017-04-21	0.9850
2017-04-14	0.9914
2017-04-07	0.9957