BDI

日期	数据
2011-08-04	1268
2011-08-03	1260
2011-08-02	1253
2011-08-01	1256
2011-07-29	1264
2011-07-28	1278
2011-07-27	1296
2011-07-26	1310
2011-07-25	1317
2011-07-22	1323
2011-07-21	1325
2011-07-20	1328