BDI

日期	数据
2010-04-22	3006
2010-04-21	3009
2010-04-20	2998
2010-04-19	3002
2010-04-16	3009
2010-04-15	3001
2010-04-14	2966
2010-04-13	2928
2010-04-12	2911
2010-04-09	2913
2010-04-08	2922
2010-04-07	2947