日期	单位净值
2017-05-31	1.4855
2017-05-26	1.4871
2017-05-19	1.5010
2017-05-12	1.4755
2017-05-05	1.5045
2017-04-28	1.5543
2017-04-21	1.5874
2017-04-20	1.5780
2017-04-14	1.6389
2017-04-07	1.6763
2017-03-31	1.6575
2017-03-24	1.6922
2017-03-20	1.6923
2017-03-17	1.6864
2017-03-10	1.6846
2017-03-03	1.7069