日期	单位净值
2017-05-31	0.9620
2017-05-26	0.9533
2017-05-19	0.9531
2017-05-15	0.9453
2017-05-12	0.9321
2017-05-05	0.9437
2017-04-28	0.9469
2017-04-21	0.9419
2017-04-17	0.9624
2017-04-14	0.9694
2017-04-07	0.9915
2017-03-31	0.9730
2017-03-24	1.0076
2017-03-20	1.0088
2017-03-17	1.0025
2017-03-15	1.0082