日期	单位净值
2015-06-19	1.8306
2015-06-12	1.8458
2015-06-05	1.8458
2015-05-29	1.7851
2015-05-22	1.7828
2015-05-20	1.7550
2015-05-15	1.7392
2015-05-08	1.7358
2015-04-30	1.8072
2015-04-24	1.8185
2015-04-20	1.7663
2015-04-17	1.8183
2015-04-10	1.7810
2015-04-03	1.7227
2015-03-27	1.7016
2015-03-20	1.6699