The mortgage industry saw a substantial 28.4 percent dive in FHA-insured mortgage loan production in the first half of 2011 compared to the same period last year, according to Inside FHA Lending’s latest analysis of government data. Approved lenders and their sponsored third-party originators combined for $100.12 billion in FHA loan originations at the end of the first six months. The top 50 FHA lenders accounted for more than half of the six-month output with an aggregated total of $53.4 billion ... [includes one data chart and one graph]