A banner year on the production front helped subprime securitizers raise the bar – and shatter volume records – in 2003, a new Inside B&C Lending analysis reveals. Overall, some $202.86 billion in securities backed by subprime mortgages were issued last year, a 50.8 percent increase from 2002’s $134.54 billion. That performance was fueled by $64.20 billion in fourth quarter volume,