日期	单位净值
2017-08-04	1.0060
2017-07-31	1.0059
2017-07-28	1.0058
2017-07-21	1.0057
2017-07-14	1.0055
2017-07-07	1.0053
2017-06-30	1.0052
2017-06-23	1.0050
2017-06-16	1.0048
2017-06-09	1.0046
2017-05-31	1.0044
2017-05-26	1.0043
2017-05-19	1.0041
2017-05-12	1.0039
2017-05-05	1.0038
2017-04-28	1.0036