日期	单位净值
2017-04-21	1.0034
2017-04-14	1.0033
2017-04-07	1.0031
2017-03-31	1.0029
2017-03-24	1.0027
2017-03-17	1.0026
2017-03-10	1.0024
2017-03-03	1.0022
2017-02-24	1.0021
2017-02-17	1.0019
2017-02-10	1.0017
2017-02-03	1.0015
2017-01-26	1.0013
2017-01-20	1.0012
2017-01-13	1.0010
2017-01-06	1.0008