日期	单位净值
2017-06-23	1.0048
2017-06-16	1.0045
2017-06-09	1.0045
2017-06-02	1.0045
2017-05-26	1.0045
2017-05-19	1.0045
2017-05-12	1.0062
2017-05-05	1.0062
2017-04-28	1.0062
2017-04-21	1.0067
2017-04-20	1.0074
2017-04-14	1.0118
2017-04-07	1.0118
2017-03-31	1.0118
2017-03-24	1.0118
2017-03-20	1.0117