Talk of a slowdown in the subprime market apparently never reached the ears of mortgage brokers who saw their already sizable share of the production mix grow considerably in 2005. According to a new analysis by Inside B&C Lending, mortgage brokers accounted for 59.3 percent of the record $665 billion in new subprime loans produced last year. That continued a growth trend for brokers, who claimed a 56.6 percent share of the subprime market