日期	单位净值
2015-08-07	1.0261
2015-07-31	1.0260
2015-07-24	1.0259
2015-07-20	1.0258
2015-07-17	1.0277
2015-07-10	1.0275
2015-07-03	1.0272
2015-06-26	1.0271
2015-06-19	1.0265
2015-06-12	1.0277
2015-06-05	1.0276
2015-05-29	1.0267
2015-05-22	1.0266
2015-05-15	1.0280
2015-05-08	1.0277
2015-04-30	1.0270