BDI

日期	数据
2009-12-15	3518
2009-12-14	3530
2009-12-11	3579
2009-12-10	3671
2009-12-09	3791
2009-12-08	3902
2009-12-07	4036
2009-12-04	4107
2009-12-03	4062
2009-12-02	3918
2009-12-01	3836
2009-11-30	3887