bid_type market freq_block round_num bid_amt bidder_num date time S B412 - 164 474000 67 3/25/96 16:50:40 S B028 - 164 275000 210 3/25/96 16:43:13 S B373 - 164 202311 203 3/25/96 16:43:07 S B421 - 164 242200 166 3/25/96 16:43:38