BDI

日期	数据
2011-01-12	1453
2011-01-11	1480
2011-01-10	1495
2011-01-07	1519
2011-01-06	1544
2011-01-05	1621
2011-01-04	1693
2010-12-24	1773
2010-12-23	1795
2010-12-22	1830
2010-12-21	1886
2010-12-20	1955