market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B145 E 78 113000 2718 10/29/96 13:44:00 113000 5 14 B111 F 78 440000 2713 10/29/96 13:41:00 330000 32 3 B425 E 78 1376000 2718 10/29/96 13:36:00 1376000 42 2