日期	单位净值
2014-05-20	0.8709
2014-05-16	0.8732
2014-05-09	0.8722
2014-04-30	0.8873
2014-04-25	0.8877
2014-04-18	0.9768
2014-04-11	0.9528
2014-04-04	0.9256
2014-03-28	0.9134
2014-03-21	0.9662
2014-03-20	0.9568
2014-03-14	0.9673
2014-03-07	0.9957
2014-02-28	0.9747
2014-02-21	1.0207
2014-02-20	1.0165