日期	单位净值
2017-07-14	0.9951
2017-07-07	0.9952
2017-06-30	0.9954
2017-06-23	0.9955
2017-06-16	0.9957
2017-06-09	0.9958
2017-05-31	0.9960
2017-05-26	0.9961
2017-05-19	0.9962
2017-05-12	0.9964
2017-05-05	0.9965
2017-04-28	0.9967
2017-04-21	0.9968
2017-04-14	0.9969
2017-04-07	0.9971
2017-03-31	0.9972