日期	单位净值
2015-04-30	1.0410
2015-04-24	1.0394
2015-04-17	1.0379
2015-04-10	1.0363
2015-04-03	1.0348
2015-03-27	1.0333
2015-03-20	1.0318
2015-03-13	1.0303
2015-03-06	1.0288
2015-02-27	1.0272
2015-02-17	1.0250
2015-02-13	1.0241
2015-02-06	1.0226
2015-01-30	1.0210
2015-01-23	1.0196
2015-01-16	1.0177