market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B079 E 153 189000 2601 12/3/96 17:10:00 189000 4 29 B324 F 153 3648000 2760 12/3/96 17:11:00 2736000 23 3 B492 F 153 55000 2601 12/3/96 17:10:00 41250 51 3