BDI

日期	数据
2011-09-07	1744
2011-09-06	1767
2011-09-05	1750
2011-09-02	1740
2011-09-01	1682
2011-08-31	1619
2011-08-30	1537
2011-08-29	1541
2011-08-26	1541
2011-08-25	1582
2011-08-24	1602
2011-08-23	1565