日期	单位净值
2017-06-30	1.9853
2017-06-23	1.9718
2017-06-20	1.9812
2017-06-16	1.9981
2017-06-09	1.9697
2017-05-31	1.9220
2017-05-26	1.9206
2017-05-19	2.0033
2017-05-12	2.0159
2017-05-05	2.0450
2017-04-28	2.1137
2017-04-21	2.0625
2017-04-20	2.0827
2017-04-14	2.1443
2017-04-07	2.1430
2017-03-31	2.0771