market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B145 E 41 150000 2718 10/2/96 16:12:00 150000 5 14 B058 F 41 44215 2668 10/2/96 16:24:00 37582 37 21 B487 F 41 18001 2694 10/2/96 16:26:00 13500 38 9