日期	单位净值
2017-05-26	0.7400
2017-05-19	0.8000
2017-05-12	0.8000
2017-05-05	0.8500
2017-04-28	0.8900
2017-04-21	0.8900
2017-04-20	0.9000
2017-04-14	0.9400
2017-04-07	0.9700
2017-03-31	0.9600
2017-03-24	0.9800
2017-03-20	1.0000
2017-03-17	1.0000
2017-03-10	1.0000
2017-03-03	1.0300
2017-02-24	1.0400