market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B266 F 76 140000 2682 10/28/96 16:56:00 105000 23 15 B211 F 76 26000 2756 10/28/96 16:54:00 26000 28 12 B193 F 76 14000 2756 10/28/96 16:54:00 14000 40 18