日期	单位净值
2015-07-31	1.0324
2015-07-24	1.0726
2015-07-17	1.0678
2015-07-10	1.0495
2015-07-03	1.0597
2015-06-26	1.1868
2015-06-19	1.2960
2015-06-12	1.4507
2015-06-05	1.4613
2015-05-29	1.3831
2015-05-22	1.3825
2015-05-15	1.2864
2015-05-08	1.3127
2015-04-30	1.3742
2015-04-24	1.3685
2015-04-17	1.3349