bid_type	market	freq_block	round_num	bid_amt	bidder_num	date	time
W	M012	J	4	56157	1042	12/8/95	14:02:00
W	M019	C	4	30623	1042	12/8/95	14:03:00
W	M019	D	4	30623	1042	12/8/95	14:03:00
W	M023	H	4	23694	1042	12/8/95	14:03:00