market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B475 F 251 115000 2767 1/8/97 19:34:00 86250 9 27 B287 F 251 17011 2767 1/8/97 19:34:00 12758 16 30 B082 F 251 39011 2767 1/8/97 19:34:00 29258 21 15 B468 F 251 56000 2767 1/8/97 19:34:00 42000 24 15