The single-family mortgage market continued to shrink during the first half of 2012, registering the 13th consecutive quarterly decline in mortgage debt outstanding since early 2008. The Federal Reserve reported late last week that there were $10.028 trillion of single-family mortgages outstanding at the end of June. That was down 0.5 percent from the previous quarter and represented a cumulative 10.3 percent drop since March 2008. The supply of home mortgage debt fell to its lowest level since the midway point in 2006. There are two growth sectors, however. The supply of Ginnie Mae single-family servicing surged...[Includes one data chart]