日期	单位净值
2017-05-31	0.9274
2017-05-26	0.9333
2017-05-19	0.9448
2017-05-12	0.9453
2017-05-05	0.9940
2017-04-28	1.0014
2017-04-21	1.0040
2017-04-14	1.0083
2017-04-07	1.0015
2017-03-31	0.9711
2017-03-24	0.9900
2017-03-17	0.9989
2017-03-10	0.9994
2017-03-03	0.9998