More of last year’s unexpected strong volume in new mortgage lending found its way into a securitization market that was keen to absorb nontraditional products. A new analysis by Inside MBS & ABS reveals that 64.8 percent of new mortgages originated last year were packaged in mortgage-backed securities. That was up from 62.4 percent for all of 2004, but remained below the record 70.7 percent securitization rate posted in 2003. … [One data table included]