日期	单位净值
2017-03-20	0.9853
2017-03-17	0.9785
2017-03-10	1.0039
2017-03-03	1.0079
2017-02-24	0.9936
2017-02-17	0.9706
2017-02-10	0.9706
2017-02-03	0.9664
2017-01-26	0.9718
2017-01-20	0.9612
2017-01-13	0.9949
2017-01-06	0.9996