日期	单位净值
2017-07-21	0.9370
2017-07-14	0.9435
2017-07-07	0.9628
2017-06-30	0.9419
2017-06-23	0.9396
2017-06-16	0.9411
2017-06-09	0.9171
2017-05-31	0.9179
2017-05-26	0.9184
2017-05-19	0.9506
2017-05-12	0.9513
2017-05-05	0.9519
2017-04-28	0.9526
2017-04-21	0.9492
2017-04-14	0.9608
2017-04-07	0.9871