market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 ME28 A 8 5508 1227 4/17/97 16:12:39 5508 4 13 ME44 A 8 686001 1206 4/17/97 16:23:28 445900 6 7 ME52 A 8 170000 1223 4/17/97 16:24:39 170000 12 1 ME52 B 8 170000 1223 4/17/97 16:24:39 170000 12 2 RE02 D 8 650808 1229 4/17/97 16:42:47 423025 13 4 RE02 D 8 520001 1206 4/17/97 16:23:28 338000 13 4 RE11 D 8 1200 1236 4/17/97 16:49:11 780 13 22