日期	单位净值
2017-04-28	0.9483
2017-04-21	0.9310
2017-04-14	0.9978
2017-04-07	1.1384
2017-03-31	1.1352
2017-03-24	1.1279
2017-03-17	1.1226
2017-03-10	1.1173
2017-03-03	1.1100
2017-02-24	1.1048
2017-02-17	1.0995
2017-02-10	1.0923
2017-02-03	1.0870
2017-01-26	1.0858
2017-01-20	1.0824
2017-01-13	1.0751