日期	单位净值
2013-02-22	1.0035
2013-02-20	1.0089
2013-02-08	0.9960
2013-02-01	0.9784
2013-01-25	0.9292
2013-01-18	0.9563
2013-01-11	0.8721
2013-01-04	0.8412
2012-12-28	0.8378
2012-12-21	0.8096
2012-12-20	0.7976
2012-12-14	0.7934
2012-12-07	0.7588
2012-11-30	0.7268
2012-11-23	0.7768
2012-11-16	0.7753