日期	单位净值
2017-07-21	0.8148
2017-07-14	0.8179
2017-07-07	0.8279
2017-06-30	0.8299
2017-06-23	0.8211
2017-06-16	0.8065
2017-06-09	0.7995
2017-05-26	0.8186
2017-05-19	0.8296
2017-05-12	0.8137
2017-05-05	0.8867
2017-04-28	0.8838
2017-04-21	0.9118
2017-04-14	0.9678
2017-04-07	0.9539
2017-03-31	0.9159