日期	单位净值
2017-05-12	0.9328
2017-05-05	0.9122
2017-04-28	0.9171
2017-04-24	0.9166
2017-04-21	0.9246
2017-04-14	0.9345
2017-04-07	0.9358
2017-03-31	0.9306
2017-03-24	0.9328
2017-03-22	0.9325
2017-03-17	0.9331
2017-03-10	0.9317
2017-03-03	0.9313
2017-02-24	0.9367
2017-02-17	0.9298
2017-02-10	0.9308