日期	单位净值
2015-05-15	1.0352
2015-05-08	1.0301
2015-04-30	1.0304
2015-04-24	1.0276
2015-04-17	1.0260
2015-04-10	1.0247
2015-04-03	1.0252
2015-03-31	1.0248
2015-03-27	1.0260
2015-03-20	1.0274
2015-03-13	1.0286
2015-03-06	1.0644
2015-02-27	1.0656
2015-02-17	1.0641
2015-02-13	1.0598
2015-02-06	1.0584