bid_type market freq_block round_num bid_amt bidder_num date time S B319 C 154 12984000 2086 4/30/96 11:04:07 S B452 C 154 10586006 2167 4/30/96 11:01:24 S B156 C 154 6392000 2146 4/30/96 11:06:13 S B417 C 154 3030002 2197 4/30/96 11:09:19 S B486 C 154 6119000 2144 4/30/96 11:05:24 S B190 C 154 3765000 2144 4/30/96 11:05:24