日期	单位净值
2015-02-27	1.8728
2015-02-17	1.8664
2015-02-13	1.8328
2015-02-06	1.7689
2015-01-30	1.7361
2015-01-23	1.7624
2015-01-20	1.7352
2015-01-16	1.7182
2015-01-09	1.6712
2014-12-31	1.6810
2014-12-26	1.6151
2014-12-19	1.6331
2014-12-12	1.6481
2014-12-05	1.5291
2014-11-28	1.4368
2014-11-21	1.2940