Despite a relatively strong rebound in the fourth quarter, savings institutions reported a sharp decline in residential mortgage lending in 2010 that reduced the industry’s share of the overall home lending market to its lowest level ever. Lenders regulated by the Office of Thrift Supervision reported $136.2 billion in single-family mortgage lending last year, a 39.2 percent drop from 2009 levels. It was the lowest annual output for the thrift industry since 1996 and reduced the...[Includes two data charts]