market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E032 B 161 28000 3060 12/2/97 09:00:40 28000 1 95 E035 B 161 337000 3014 12/2/97 09:01:44 337000 1 104 E037 B 161 436000 3014 12/2/97 09:01:44 436000 1 110 E039 C 161 822000 3014 12/2/97 09:01:44 822000 1 117 E054 B 161 14000 3078 12/2/97 09:03:23 9100 1 161 E081 B 161 527000 3014 12/2/97 09:01:44 527000 1 242 E162 A 161 20000 3078 12/2/97 09:03:23 13000 1 484 E167 A 161 164000 3085 12/2/97 09:00:53 106600 1 499