日期	单位净值
2017-05-05	1.0241
2017-04-30	1.0231
2017-04-28	1.0227
2017-04-21	1.0213
2017-04-14	1.0199
2017-04-07	1.0186
2017-03-31	1.0172
2017-03-24	1.0158
2017-03-17	1.0144
2017-03-10	1.0130
2017-03-03	1.0117
2017-02-28	1.0111
2017-02-24	1.0108
2017-02-17	1.0094
2017-02-10	1.0081
2017-02-03	1.0458