日期	单位净值
2017-11-20	1.9174
2017-11-17	1.9000
2017-11-10	1.9253
2017-11-03	1.8515
2017-10-27	1.8242
2017-10-20	1.7756
2017-10-13	1.7579
2017-09-29	1.7125
2017-09-22	1.6999
2017-09-20	1.6963
2017-09-15	1.6957
2017-09-08	1.6980
2017-09-01	1.6879
2017-08-25	1.6646
2017-08-18	1.6543
2017-08-11	1.6272