BDI

日期	数据
2010-04-07	2947
2010-04-06	2981
2010-04-01	2991
2010-03-31	2998
2010-03-30	2982
2010-03-29	3021
2010-03-26	3098
2010-03-25	3177
2010-03-24	3243
2010-03-23	3280
2010-03-22	3337
2010-03-19	3379