日期	单位净值
2017-05-05	1.0183
2017-04-30	1.0186
2017-04-28	1.0186
2017-04-21	1.0189
2017-04-17	1.0197
2017-04-14	1.0191
2017-04-07	1.0220
2017-03-31	1.0215
2017-03-24	1.0202
2017-03-17	1.0199
2017-03-10	1.0197
2017-03-03	1.0204
2017-02-28	1.0207
2017-02-24	1.0207
2017-02-17	1.0200
2017-02-10	1.0200