日期	单位净值
2017-03-24	2.2586
2017-03-20	2.1286
2017-03-17	2.1245
2017-03-10	2.0889
2017-03-03	2.0284
2017-02-24	2.0069
2017-02-20	1.9901
2017-02-17	1.9648
2017-02-10	1.9612
2017-02-03	1.9226
2017-01-26	1.9172
2017-01-20	1.8634
2017-01-13	1.8432
2017-01-06	1.8633
2016-12-30	1.9015
2016-12-23	1.8978