日期	单位净值
2017-03-20	1.7895
2017-03-17	1.8012
2017-03-10	1.7814
2017-03-03	1.7715
2017-02-24	1.7131
2017-02-20	1.6778
2017-02-17	1.6606
2017-02-10	1.6845
2017-02-03	1.6812
2017-01-26	1.6839
2017-01-20	1.6849
2017-01-13	1.7032
2017-01-06	1.7485
2016-12-30	1.7562
2016-12-23	1.7298
2016-12-20	1.7194