BDI

日期	数据
2009-05-07	2194
2009-05-06	2065
2009-05-05	1897
2009-05-01	1806
2009-04-30	1786
2009-04-29	1772
2009-04-28	1790
2009-04-27	1839
2009-04-24	1873
2009-04-23	1897
2009-04-22	1869
2009-04-21	1797