日期	单位净值
2013-03-01	1.0467
2013-02-22	1.0042
2013-02-20	1.0571
2013-02-08	1.0566
2013-02-01	1.0378
2013-01-25	0.9968
2013-01-18	0.9909
2013-01-11	0.9843
2013-01-04	0.9685
2012-12-28	0.9695
2012-12-21	0.9550
2012-12-20	0.9601
2012-12-14	0.9685
2012-12-07	0.9435
2012-11-30	0.9276
2012-11-23	0.9393