market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B322 F 59 43000 2752 10/16/96 16:18:00 32250 27 21 B153 E 59 28000 2702 10/16/96 16:20:00 28000 40 5 B140 D 59 24000 2702 10/16/96 16:20:00 24000 40 7