日期	单位净值
2017-06-30	1.5796
2017-06-23	1.5772
2017-06-16	1.5737
2017-06-09	1.5715
2017-06-02	1.5663
2017-05-26	1.5697
2017-05-19	1.5714
2017-05-12	1.5710
2017-05-05	1.5710
2017-04-28	1.5724
2017-04-21	1.5713
2017-04-20	1.5709
2017-04-14	1.5735
2017-04-07	1.5728
2017-03-31	1.5696
2017-03-24	1.5685