日期	单位净值
2017-03-23	1.5661
2017-03-20	1.5643
2017-03-17	1.5670
2017-03-10	1.5669
2017-03-03	1.5661
2017-02-24	1.5715
2017-02-20	1.5716
2017-02-17	1.5722
2017-02-10	1.5707
2017-02-03	1.5701
2017-01-26	1.5706
2017-01-20	1.5675
2017-01-13	1.5689
2017-01-06	1.5674
2016-12-30	1.5652
2016-12-23	1.5624