market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B100 F 65 47000 2686 10/21/96 16:13:00 35250 10 18 B076 F 65 209210 2708 10/21/96 16:24:00 209210 11 15 B144 F 65 48296 2716 10/21/96 16:13:00 36222 27 18