日期	单位净值
2015-08-28	1.7528
2015-08-21	2.0089
2015-08-14	2.3226
2015-08-07	2.1490
2015-07-31	2.0622
2015-07-24	2.3648
2015-07-20	2.2351
2015-07-17	2.1623
2015-07-10	1.8255
2015-07-03	1.9538
2015-06-26	2.2939
2015-06-19	2.6789
2015-06-12	3.2438
2015-06-05	3.1084
2015-05-29	2.9301
2015-05-22	2.7305