market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B064 A 98 128000 3309 3/19/98 15:31:50 128000 42 15 B077 B 98 128000 3309 3/19/98 15:31:50 128000 22 18 B208 B 98 33000 3398 3/19/98 15:38:43 18150 1 40 B380 B 98 66000 3365 3/19/98 15:31:22 49500 3 8