日期	单位净值
2017-05-05	1.6179
2017-04-28	1.6292
2017-04-21	1.6207
2017-04-20	1.6195
2017-04-14	1.6746
2017-04-07	1.7310
2017-03-31	1.6956
2017-03-24	1.7386
2017-03-20	1.7318
2017-03-17	1.7369
2017-03-10	1.7321
2017-03-03	1.7081
2017-02-24	1.7008
2017-02-20	1.6835
2017-02-17	1.6765
2017-02-10	1.6999