日期	单位净值
2013-02-20	1.1097
2013-02-08	1.1337
2013-02-01	1.1114
2013-01-25	1.0410
2013-01-18	1.0606
2013-01-11	1.0073
2013-01-04	1.0006
2012-12-28	1.0106
2012-12-21	0.9525
2012-12-20	0.9295
2012-12-14	0.9686
2012-12-07	0.9317
2012-11-30	0.8923
2012-11-23	0.9143
2012-11-16	0.9262
2012-11-09	0.9536