日期	单位净值
2015-07-20	1.8151
2015-07-17	1.8210
2015-07-10	1.8210
2015-07-03	1.8210
2015-06-26	1.8212
2015-06-19	1.8102
2015-06-12	1.8141
2015-06-05	1.8122
2015-05-29	1.7548
2015-05-22	1.8132
2015-05-20	1.7821
2015-05-15	1.7740
2015-05-08	1.8000
2015-04-30	1.8139
2015-04-24	1.8052
2015-04-17	1.8616