日期	单位净值
2015-07-31	1.5969
2015-07-24	1.7336
2015-07-20	1.7142
2015-07-17	1.7164
2015-07-10	1.6726
2015-07-03	1.6088
2015-06-26	1.7620
2015-06-19	1.8485
2015-06-12	2.0545
2015-06-05	2.0319
2015-05-29	1.9187
2015-05-22	1.8638
2015-05-20	1.7970
2015-05-15	1.7393
2015-05-08	1.7100
2015-04-30	1.7346