日期	单位净值
2012-08-31	0.7685
2012-08-24	0.7561
2012-08-20	0.7564
2012-08-17	0.7565
2012-08-10	0.7599
2012-08-03	0.7624
2012-07-30	0.7453
2012-07-27	0.7450
2012-07-20	0.7529
2012-07-13	0.7535
2012-07-06	0.7525
2012-06-29	0.7562