bid_type	market	freq_block	round_num	bid_amt	bidder_num	date	time
S	M016	K	162	520000	1168	4/12/96	13:42:48
S	M021	O	162	87261	1092	4/12/96	13:42:24
S	M021	Q	162	91273	1092	4/12/96	13:42:24
S	M038	M	162	220000	1168	4/12/96	13:42:48