BDI

日期	数据
2011-05-12	1320
2011-05-11	1334
2011-05-10	1344
2011-05-09	1348
2011-05-06	1340
2011-05-05	1314
2011-05-04	1302
2011-05-03	1292
2011-05-02	1269
2011-04-28	1269
2011-04-27	1259
2011-04-26	1250