market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E021 B 164 29000 3060 12/2/97 10:30:29 29000 1 62 E026 A 164 10000 3060 12/2/97 10:30:29 10000 1 76 E033 B 164 19000 3060 12/2/97 10:30:29 19000 1 98 E041 B 164 38000 3060 12/2/97 10:30:29 38000 1 122 E045 A 164 5800 3060 12/2/97 10:30:29 5800 1 133 E061 A 164 11000 3060 12/2/97 10:30:29 11000 1 181 E085 A 164 12000 3060 12/2/97 10:30:29 12000 1 253 E088 A 164 11000 3060 12/2/97 10:30:29 11000 1 262 E089 B 164 17000 3078 12/2/97 10:32:51 11050 1 266 E091 A 164 7300 3078 12/2/97 10:32:51 4745 1 271 E144 C 164 530000 3060 12/2/97 10:30:29 530000 1 432