日期	单位净值
2017-07-20	0.9556
2017-07-14	0.9535
2017-07-07	0.9529
2017-06-30	0.9574
2017-06-23	0.9561
2017-06-20	0.9449
2017-06-16	0.9409
2017-06-09	0.9436
2017-05-31	0.9287
2017-05-26	0.9245
2017-05-19	0.9251
2017-05-12	0.9198
2017-05-05	0.9231
2017-04-28	0.9410
2017-04-21	0.9512
2017-04-20	0.9515