The volume of home mortgage debt outstanding sank to a five-year low as of the end of third quarter of 2011, according to new data released by the Federal Reserve. The agency reported that the outstanding volume of single-family mortgage debt fell 0.6 percent during the third quarter, dropping to $10.336 trillion. That marked the 15th consecutive quarterly decline and the lowest level since the third quarter of 2006. The only component in the servicing market that’s showing much growth is the Ginnie Mae program, where the outstanding balance of...(Includes two data charts)