bid_type market freq_block round_num bid_amt bidder_num date time S B397 C 148 20916000 2086 4/29/96 13:34:19 S B391 C 148 7075000 2305 4/29/96 13:31:48 S B481 C 148 454000 2303 4/29/96 13:33:53 S B278 C 148 7036000 2167 4/29/96 13:34:14 S B279 C 148 2037002 2197 4/29/96 13:35:19 S B471 C 148 2507000 2322 4/29/96 13:35:22