market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 E026 C 159 32000 3014 12/1/97 16:31:39 32000 1 78 E038 C 159 193000 3014 12/1/97 16:31:39 193000 1 114 E061 C 159 23000 3060 12/1/97 16:30:26 23000 1 183 E099 A 159 20000 3078 12/1/97 16:33:29 13000 1 295 E121 C 159 8300 3078 12/1/97 16:33:29 5395 1 363 E143 B 159 262000 3060 12/1/97 16:30:26 262000 1 428 E165 B 159 224000 3085 12/1/97 16:31:45 145600 1 494 E165 C 159 539000 3085 12/1/97 16:31:45 350350 1 495