BDI

日期	数据
2011-04-07	1401
2011-04-06	1430
2011-04-05	1462
2011-04-04	1498
2011-04-01	1520
2011-03-31	1530
2011-03-30	1545
2011-03-29	1572
2011-03-28	1585
2011-03-25	1585
2011-03-24	1583
2011-03-23	1565