日期	单位净值
2013-02-01	1.1452
2013-01-25	1.0871
2013-01-18	1.0968
2013-01-11	1.0527
2013-01-04	1.0923
2012-12-28	1.0729
2012-12-21	1.0442
2012-12-20	1.0459
2012-12-14	1.0388
2012-12-07	1.0148
2012-11-30	0.9840
2012-11-23	0.9930