日期	单位净值
2014-07-31	1.0199
2014-07-25	0.9943
2014-07-18	0.9775
2014-07-11	0.9788
2014-07-04	0.9906
2014-06-30	0.9882
2014-06-27	0.9898
2014-06-20	0.9936
2014-06-13	0.9816
2014-06-06	0.9762
2014-05-30	0.9748
2014-05-23	0.9779
2014-05-16	0.9768
2014-05-09	0.9841
2014-04-30	0.9837
2014-04-25	0.9850