market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E021 B 170 86000 3060 12/2/97 14:00:42 86000 1 62 E026 B 170 23000 3060 12/2/97 14:00:42 23000 1 77 E033 B 170 59000 3060 12/2/97 14:00:42 59000 1 98 E041 B 170 114000 3060 12/2/97 14:00:42 114000 1 122 E042 A 170 7000 3078 12/2/97 14:02:37 4550 1 124 E142 A 170 5800 3078 12/2/97 14:02:37 3770 1 424 E148 A 170 106000 3085 12/2/97 14:00:15 68900 1 442