日期	单位净值
2017-05-12	2.0401
2017-05-05	2.0907
2017-04-28	2.1191
2017-04-21	2.1340
2017-04-20	2.1479
2017-04-14	2.1374
2017-04-07	2.1594
2017-03-31	2.1023
2017-03-24	2.1254
2017-03-20	2.0946
2017-03-17	2.0960
2017-03-10	2.0776
2017-03-03	2.0748
2017-02-24	2.0646
2017-02-20	2.0558
2017-02-17	2.0398