BDI

日期	数据
2009-04-21	1797
2009-04-20	1737
2009-04-17	1682
2009-04-16	1604
2009-04-15	1534
2009-04-14	1492
2009-04-09	1478
2009-04-08	1463
2009-04-07	1466
2009-04-06	1486
2009-04-03	1506
2009-04-02	1538