日期	单位净值
2015-02-20	1.0230
2015-02-16	1.0141
2015-02-13	1.0144
2015-02-06	0.9756
2015-01-30	0.9963
2015-01-23	1.0318
2015-01-16	1.0369
2015-01-15	1.0267
2015-01-09	1.0143
2014-12-31	1.0130
2014-12-12	1.0055
2014-11-28	1.0155
2014-11-14	0.9974