market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E011 A 175 18000 3078 12/2/97 16:33:02 11700 1 31 E025 C 175 44000 3014 12/2/97 16:30:46 44000 1 75 E026 A 175 17000 3078 12/2/97 16:33:02 11050 1 76 E026 B 175 28000 3014 12/2/97 16:30:46 28000 1 77 E032 B 175 34000 3014 12/2/97 16:30:46 34000 1 95