market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B012 F 123 42001 2609 11/19/96 17:14:00 31500 21 9 B430 F 123 100001 2716 11/19/96 17:03:00 75000 23 18 B060 F 123 1473334 2609 11/19/96 17:14:00 1105000 35 3