market freq_block bid_round bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E035 A 80 404000 3060 12/4/97 10:32:00 404000 1 103 E037 A 80 182000 3060 12/4/97 10:32:00 182000 1 109 E039 A 80 278000 3060 12/4/97 10:32:00 278000 1 115