BDI

日期	数据
2009-07-31	3350
2009-07-30	3445
2009-07-29	3499
2009-07-28	3475
2009-07-27	3407
2009-07-24	3345
2009-07-23	3355
2009-07-22	3407
2009-07-21	3455
2009-07-20	3511
2009-07-17	3542
2009-07-16	3501