A boom in conventional mortgage lending spurred a strong 11.4 percent increase in mortgage originations in 2005, according to an Inside Mortgage Finance analysis of recently released Home Mortgage Disclosure Act data for last year. Federal banking regulators late last week released data showing $2.715 trillion in home loan originations reported under HMDA in 2005. Analysts generally agree that HMDA originations data understate the total market because some lenders and remote geographic markets... [Includes select HMDA data.]