日期	单位净值
2017-05-19	0.9997
2017-05-12	1.0620
2017-05-05	1.0621
2017-04-28	1.0621
2017-04-21	1.1414
2017-04-14	1.1414
2017-04-07	1.0823
2017-03-31	1.0325
2017-03-24	1.0438
2017-03-17	1.0079
2017-03-10	1.0079
2017-03-03	1.0107
2017-02-28	1.0280
2017-02-24	1.0280
2017-02-17	1.0316
2017-02-10	1.0153