bid_type	market	freq_block	round_num	bid_amt	bidder_num	date	time
S	M016	L	160	469000	1057	4/12/96	11:26:30
S	M021	C	160	95000	1127	4/12/96	11:24:02
S	M038	N	160	230000	1025	4/12/96	11:27:13