日期	单位净值
2015-04-30	2.3664
2015-04-24	2.2867
2015-04-20	2.1449
2015-04-17	2.2534
2015-04-10	2.2868
2015-04-03	2.2242
2015-03-27	2.0443
2015-03-20	1.9529
2015-03-13	1.8851
2015-03-06	1.9078
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