BDI

日期	数据
2010-05-28	4078
2010-05-27	4156
2010-05-26	4209
2010-05-25	4187
2010-05-24	3943
2010-05-21	3844
2010-05-20	3803
2010-05-19	3832
2010-05-18	3882
2010-05-17	3922
2010-05-14	3929
2010-05-13	3914