日期	单位净值
2015-08-20	1.6363
2015-08-14	1.6981
2015-08-07	1.6754
2015-07-31	1.6424
2015-07-24	1.7505
2015-07-20	1.7288
2015-07-17	1.7266
2015-07-10	1.6614
2015-07-03	1.6935
2015-06-26	1.8274
2015-06-19	1.8646
2015-06-12	2.1521
2015-06-05	2.0973
2015-05-29	1.9348
2015-05-22	1.9200
2015-05-15	1.7616