日期	单位净值
2017-04-07	1.0374
2017-03-31	1.0363
2017-03-24	1.0419
2017-03-20	1.0258
2017-03-17	1.0224
2017-03-10	1.0163
2017-03-03	1.0071
2017-02-24	1.0132
2017-02-20	1.0101
2017-02-17	1.0005
2017-02-10	1.0007
2017-02-03	0.9960
2017-01-26	0.9977
2017-01-20	0.9952
2017-01-13	0.9833
2017-01-06	0.9955