market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B028 D 264 3555000 2702 1/10/97 15:02:29 3555000 2 10 B028 F 264 5818800 2671 1/10/97 15:03:30 4945980 2 12 B406 E 264 1830000 2702 1/10/97 15:02:29 1830000 2 14 B405 D 264 571000 2697 1/10/97 15:02:01 571000 2 16 B397 D 264 1225000 2702 1/10/97 15:02:29 1225000 4 22 B025 D 264 967000 2711 1/10/97 15:06:13 967000 9 16 B228 F 264 204000 2768 1/10/97 15:09:16 153000 42 15