日期	单位净值
2017-04-21	0.9995
2017-04-14	0.9995
2017-04-07	0.9995
2017-03-31	0.9995
2017-03-24	0.9996
2017-03-17	0.9996
2017-03-10	0.9996
2017-03-03	0.9996
2017-02-24	0.9997
2017-02-17	0.9997
2017-02-10	0.9997
2017-02-03	0.9997
2017-01-26	0.9998
2017-01-20	0.9998
2017-01-13	0.9998
2017-01-06	0.9998