market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B008 B 125 1519000 3285 3/24/98 15:14:38 1519000 39 2 B248 B 125 193000 3407 3/24/98 15:03:23 144750 41 4 B448 B 125 1280000 3285 3/24/98 15:14:38 1280000 48 2