BDI

日期	数据
2011-03-22	1543
2011-03-21	1531
2011-03-18	1531
2011-03-17	1533
2011-03-16	1538
2011-03-15	1548
2011-03-14	1559
2011-03-11	1562
2011-03-10	1538
2011-03-09	1472
2011-03-08	1424
2011-03-07	1382