日期	单位净值
2013-02-22	1.0030
2013-02-20	1.0107
2013-02-08	1.0060
2013-02-01	0.9706
2013-01-25	0.9288
2013-01-18	0.9706
2013-01-11	0.9298
2013-01-04	0.9140
2012-12-28	0.9032
2012-12-21	0.8634
2012-12-20	0.8618
2012-12-14	0.8672
2012-12-07	0.8401
2012-11-30	0.8236
2012-11-23	0.8500
2012-11-16	0.8522