market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E084 B 214 71000 3060 12/5/97 11:30:26 71000 1 251 E088 C 214 92000 3060 12/5/97 11:30:26 92000 1 264 E089 C 214 103000 3060 12/5/97 11:30:26 103000 1 267