日期	单位净值
2017-03-31	1.0550
2017-03-24	1.0882
2017-03-20	1.0426
2017-03-17	1.0357
2017-03-10	1.0117
2017-03-03	0.9897
2017-02-24	1.0073
2017-02-17	0.9814
2017-02-10	0.9913
2017-02-03	0.9910
2017-01-26	0.9891
2017-01-20	0.9890
2017-01-13	0.9920
2017-01-06	0.9944
2016-12-30	0.9948
2016-12-23	0.9971