日期	单位净值
2017-09-22	1.0493
2017-09-15	1.0310
2017-09-08	0.9875
2017-09-01	0.9815
2017-08-25	0.9714
2017-08-18	0.9696
2017-08-11	0.9497
2017-08-04	0.9429
2017-07-28	0.9589
2017-07-21	0.9669
2017-07-14	0.9791
2017-07-07	0.9848
2017-06-30	0.9725
2017-06-23	0.9678
2017-06-16	0.9609
2017-06-09	0.9602