BDI

日期	数据
2009-04-01	1574
2009-03-31	1615
2009-03-30	1646
2009-03-27	1678
2009-03-26	1714
2009-03-25	1740
2009-03-24	1758
2009-03-23	1773
2009-03-20	1782
2009-03-19	1795
2009-03-18	1861
2009-03-17	1974