market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E028 B 195 131000 3014 12/4/97 10:01:19 131000 1 83 E035 B 195 485000 3014 12/4/97 10:01:19 485000 1 104 E037 B 195 628000 3014 12/4/97 10:01:19 628000 1 110 E039 B 195 377000 3014 12/4/97 10:01:19 377000 1 116 E079 B 195 397000 3014 12/4/97 10:01:19 397000 1 236